Home / 9,557.31-13,206.20-7,477.23

Finding the Fourth Proportional to 9,557.31, 13,206.20 and 7,477.23

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Solution

The fourth proportional to 9,557.31, 13,206.20 and 7,477.23 is: 10,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557.31 : 13,206.20 = 7,477.23 : x
  2. Step 2: Convert to fraction form
    9,557.31/13,206.20 = 7,477.23/x
  3. Step 3: Cross multiply
    9,557.31x = 13,206.20 × 7,477.23
  4. Step 4: Simplify right side
    9,557.31x = 98,745,757.44
  5. Step 5: Solve for x
    x = 98,745,757.44/9,557.31
  6. Step 6: Final answer
    x = 10,331.96

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Half scale
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Double scale
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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.