Home / 15,225.30-22,780.52-8,988.70

Finding the Fourth Proportional to 15,225.30, 22,780.52 and 8,988.70

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Solution

The fourth proportional to 15,225.30, 22,780.52 and 8,988.70 is: 13,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,225.30 : 22,780.52 = 8,988.70 : x
  2. Step 2: Convert to fraction form
    15,225.30/22,780.52 = 8,988.70/x
  3. Step 3: Cross multiply
    15,225.30x = 22,780.52 × 8,988.70
  4. Step 4: Simplify right side
    15,225.30x = 204,767,260.12
  5. Step 5: Solve for x
    x = 204,767,260.12/15,225.30
  6. Step 6: Final answer
    x = 13,449.15

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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.