Home / 14,925.20-22,387.80-13,286.80

Finding the Fourth Proportional to 14,925.20, 22,387.80 and 13,286.80

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Solution

The fourth proportional to 14,925.20, 22,387.80 and 13,286.80 is: 19,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,925.20 : 22,387.80 = 13,286.80 : x
  2. Step 2: Convert to fraction form
    14,925.20/22,387.80 = 13,286.80/x
  3. Step 3: Cross multiply
    14,925.20x = 22,387.80 × 13,286.80
  4. Step 4: Simplify right side
    14,925.20x = 297,462,221.04
  5. Step 5: Solve for x
    x = 297,462,221.04/14,925.20
  6. Step 6: Final answer
    x = 19,930.20

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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.