Home / 21,886.13-32,817.45-6,890.43

Finding the Fourth Proportional to 21,886.13, 32,817.45 and 6,890.43

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Solution

The fourth proportional to 21,886.13, 32,817.45 and 6,890.43 is: 10,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886.13 : 32,817.45 = 6,890.43 : x
  2. Step 2: Convert to fraction form
    21,886.13/32,817.45 = 6,890.43/x
  3. Step 3: Cross multiply
    21,886.13x = 32,817.45 × 6,890.43
  4. Step 4: Simplify right side
    21,886.13x = 226,126,490.91
  5. Step 5: Solve for x
    x = 226,126,490.91/21,886.13
  6. Step 6: Final answer
    x = 10,331.95

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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.