Home / 9,127.52-13,691.60-4,742.16

Finding the Fourth Proportional to 9,127.52, 13,691.60 and 4,742.16

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Solution

The fourth proportional to 9,127.52, 13,691.60 and 4,742.16 is: 7,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.52 : 13,691.60 = 4,742.16 : x
  2. Step 2: Convert to fraction form
    9,127.52/13,691.60 = 4,742.16/x
  3. Step 3: Cross multiply
    9,127.52x = 13,691.60 × 4,742.16
  4. Step 4: Simplify right side
    9,127.52x = 64,927,757.86
  5. Step 5: Solve for x
    x = 64,927,757.86/9,127.52
  6. Step 6: Final answer
    x = 7,113.41

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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.