Home / 11,124.27-15,358.66-9,927.20

Finding the Fourth Proportional to 11,124.27, 15,358.66 and 9,927.20

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Solution

The fourth proportional to 11,124.27, 15,358.66 and 9,927.20 is: 13,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.27 : 15,358.66 = 9,927.20 : x
  2. Step 2: Convert to fraction form
    11,124.27/15,358.66 = 9,927.20/x
  3. Step 3: Cross multiply
    11,124.27x = 15,358.66 × 9,927.20
  4. Step 4: Simplify right side
    11,124.27x = 152,468,489.55
  5. Step 5: Solve for x
    x = 152,468,489.55/11,124.27
  6. Step 6: Final answer
    x = 13,705.93

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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.