Home / 9,557.21-13,190.54-5,309.64

Finding the Fourth Proportional to 9,557.21, 13,190.54 and 5,309.64

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Solution

The fourth proportional to 9,557.21, 13,190.54 and 5,309.64 is: 7,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557.21 : 13,190.54 = 5,309.64 : x
  2. Step 2: Convert to fraction form
    9,557.21/13,190.54 = 5,309.64/x
  3. Step 3: Cross multiply
    9,557.21x = 13,190.54 × 5,309.64
  4. Step 4: Simplify right side
    9,557.21x = 70,036,992.26
  5. Step 5: Solve for x
    x = 70,036,992.26/9,557.21
  6. Step 6: Final answer
    x = 7,328.18

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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.