Home / 21,817.61-32,732.04-9,160.56

Finding the Fourth Proportional to 21,817.61, 32,732.04 and 9,160.56

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Solution

The fourth proportional to 21,817.61, 32,732.04 and 9,160.56 is: 13,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,817.61 : 32,732.04 = 9,160.56 : x
  2. Step 2: Convert to fraction form
    21,817.61/32,732.04 = 9,160.56/x
  3. Step 3: Cross multiply
    21,817.61x = 32,732.04 × 9,160.56
  4. Step 4: Simplify right side
    21,817.61x = 299,843,816.34
  5. Step 5: Solve for x
    x = 299,843,816.34/21,817.61
  6. Step 6: Final answer
    x = 13,743.20

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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.