Home / 9,557.28-13,202.34-9,090.18

Finding the Fourth Proportional to 9,557.28, 13,202.34 and 9,090.18

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Solution

The fourth proportional to 9,557.28, 13,202.34 and 9,090.18 is: 12,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557.28 : 13,202.34 = 9,090.18 : x
  2. Step 2: Convert to fraction form
    9,557.28/13,202.34 = 9,090.18/x
  3. Step 3: Cross multiply
    9,557.28x = 13,202.34 × 9,090.18
  4. Step 4: Simplify right side
    9,557.28x = 120,011,647.02
  5. Step 5: Solve for x
    x = 120,011,647.02/9,557.28
  6. Step 6: Final answer
    x = 12,557.09

Related Problems

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Half scale
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Double scale
Find fourth proportional to 9,558.28, 13,203.72 and 9,091.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.