Home / 21,632.55-32,451.14-9,153.84

Finding the Fourth Proportional to 21,632.55, 32,451.14 and 9,153.84

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Solution

The fourth proportional to 21,632.55, 32,451.14 and 9,153.84 is: 13,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632.55 : 32,451.14 = 9,153.84 : x
  2. Step 2: Convert to fraction form
    21,632.55/32,451.14 = 9,153.84/x
  3. Step 3: Cross multiply
    21,632.55x = 32,451.14 × 9,153.84
  4. Step 4: Simplify right side
    21,632.55x = 297,052,543.38
  5. Step 5: Solve for x
    x = 297,052,543.38/21,632.55
  6. Step 6: Final answer
    x = 13,731.74

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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.