Home / 21,463.68-29,619.60-12,032.16

Finding the Fourth Proportional to 21,463.68, 29,619.60 and 12,032.16

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Solution

The fourth proportional to 21,463.68, 29,619.60 and 12,032.16 is: 16,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.68 : 29,619.60 = 12,032.16 : x
  2. Step 2: Convert to fraction form
    21,463.68/29,619.60 = 12,032.16/x
  3. Step 3: Cross multiply
    21,463.68x = 29,619.60 × 12,032.16
  4. Step 4: Simplify right side
    21,463.68x = 356,387,766.34
  5. Step 5: Solve for x
    x = 356,387,766.34/21,463.68
  6. Step 6: Final answer
    x = 16,604.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.