Home / 21,630.55-32,448.14-9,151.84

Finding the Fourth Proportional to 21,630.55, 32,448.14 and 9,151.84

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Solution

The fourth proportional to 21,630.55, 32,448.14 and 9,151.84 is: 13,728.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.55 : 32,448.14 = 9,151.84 : x
  2. Step 2: Convert to fraction form
    21,630.55/32,448.14 = 9,151.84/x
  3. Step 3: Cross multiply
    21,630.55x = 32,448.14 × 9,151.84
  4. Step 4: Simplify right side
    21,630.55x = 296,960,032.18
  5. Step 5: Solve for x
    x = 296,960,032.18/21,630.55
  6. Step 6: Final answer
    x = 13,728.73

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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.