Home / 15,209.78-22,799.17-10,279.91

Finding the Fourth Proportional to 15,209.78, 22,799.17 and 10,279.91

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Solution

The fourth proportional to 15,209.78, 22,799.17 and 10,279.91 is: 15,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.78 : 22,799.17 = 10,279.91 : x
  2. Step 2: Convert to fraction form
    15,209.78/22,799.17 = 10,279.91/x
  3. Step 3: Cross multiply
    15,209.78x = 22,799.17 × 10,279.91
  4. Step 4: Simplify right side
    15,209.78x = 234,373,485.52
  5. Step 5: Solve for x
    x = 234,373,485.52/15,209.78
  6. Step 6: Final answer
    x = 15,409.40

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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.