Home / 12,557.92-18,842.28-5,984.16

Finding the Fourth Proportional to 12,557.92, 18,842.28 and 5,984.16

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Solution

The fourth proportional to 12,557.92, 18,842.28 and 5,984.16 is: 8,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.92 : 18,842.28 = 5,984.16 : x
  2. Step 2: Convert to fraction form
    12,557.92/18,842.28 = 5,984.16/x
  3. Step 3: Cross multiply
    12,557.92x = 18,842.28 × 5,984.16
  4. Step 4: Simplify right side
    12,557.92x = 112,755,218.28
  5. Step 5: Solve for x
    x = 112,755,218.28/12,557.92
  6. Step 6: Final answer
    x = 8,978.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.