Home / 21,446.38-32,168.02-6,654.92

Finding the Fourth Proportional to 21,446.38, 32,168.02 and 6,654.92

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Solution

The fourth proportional to 21,446.38, 32,168.02 and 6,654.92 is: 9,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.38 : 32,168.02 = 6,654.92 : x
  2. Step 2: Convert to fraction form
    21,446.38/32,168.02 = 6,654.92/x
  3. Step 3: Cross multiply
    21,446.38x = 32,168.02 × 6,654.92
  4. Step 4: Simplify right side
    21,446.38x = 214,075,599.66
  5. Step 5: Solve for x
    x = 214,075,599.66/21,446.38
  6. Step 6: Final answer
    x = 9,981.90

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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.