Home / 11,562.20-15,951.56-7,585.52

Finding the Fourth Proportional to 11,562.20, 15,951.56 and 7,585.52

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Solution

The fourth proportional to 11,562.20, 15,951.56 and 7,585.52 is: 10,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.20 : 15,951.56 = 7,585.52 : x
  2. Step 2: Convert to fraction form
    11,562.20/15,951.56 = 7,585.52/x
  3. Step 3: Cross multiply
    11,562.20x = 15,951.56 × 7,585.52
  4. Step 4: Simplify right side
    11,562.20x = 121,000,877.41
  5. Step 5: Solve for x
    x = 121,000,877.41/11,562.20
  6. Step 6: Final answer
    x = 10,465.21

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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.