Home / 10,209.52-15,318.24-3,973.91

Finding the Fourth Proportional to 10,209.52, 15,318.24 and 3,973.91

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Solution

The fourth proportional to 10,209.52, 15,318.24 and 3,973.91 is: 5,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.52 : 15,318.24 = 3,973.91 : x
  2. Step 2: Convert to fraction form
    10,209.52/15,318.24 = 3,973.91/x
  3. Step 3: Cross multiply
    10,209.52x = 15,318.24 × 3,973.91
  4. Step 4: Simplify right side
    10,209.52x = 60,873,248.95
  5. Step 5: Solve for x
    x = 60,873,248.95/10,209.52
  6. Step 6: Final answer
    x = 5,962.40

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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.