Home / 14,461.20-21,631.80-13,575.47

Finding the Fourth Proportional to 14,461.20, 21,631.80 and 13,575.47

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Solution

The fourth proportional to 14,461.20, 21,631.80 and 13,575.47 is: 20,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461.20 : 21,631.80 = 13,575.47 : x
  2. Step 2: Convert to fraction form
    14,461.20/21,631.80 = 13,575.47/x
  3. Step 3: Cross multiply
    14,461.20x = 21,631.80 × 13,575.47
  4. Step 4: Simplify right side
    14,461.20x = 293,661,794.69
  5. Step 5: Solve for x
    x = 293,661,794.69/14,461.20
  6. Step 6: Final answer
    x = 20,306.88

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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.