Home / 11,127.25-15,355.61-6,414.27

Finding the Fourth Proportional to 11,127.25, 15,355.61 and 6,414.27

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Solution

The fourth proportional to 11,127.25, 15,355.61 and 6,414.27 is: 8,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.25 : 15,355.61 = 6,414.27 : x
  2. Step 2: Convert to fraction form
    11,127.25/15,355.61 = 6,414.27/x
  3. Step 3: Cross multiply
    11,127.25x = 15,355.61 × 6,414.27
  4. Step 4: Simplify right side
    11,127.25x = 98,495,028.55
  5. Step 5: Solve for x
    x = 98,495,028.55/11,127.25
  6. Step 6: Final answer
    x = 8,851.70

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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.