Home / 11,209.52-15,470.98-8,551.91

Finding the Fourth Proportional to 11,209.52, 15,470.98 and 8,551.91

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Solution

The fourth proportional to 11,209.52, 15,470.98 and 8,551.91 is: 11,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.52 : 15,470.98 = 8,551.91 : x
  2. Step 2: Convert to fraction form
    11,209.52/15,470.98 = 8,551.91/x
  3. Step 3: Cross multiply
    11,209.52x = 15,470.98 × 8,551.91
  4. Step 4: Simplify right side
    11,209.52x = 132,306,428.57
  5. Step 5: Solve for x
    x = 132,306,428.57/11,209.52
  6. Step 6: Final answer
    x = 11,803.04

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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.