Home / 21,493.92-29,661.61-12,062.48

Finding the Fourth Proportional to 21,493.92, 29,661.61 and 12,062.48

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Solution

The fourth proportional to 21,493.92, 29,661.61 and 12,062.48 is: 16,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493.92 : 29,661.61 = 12,062.48 : x
  2. Step 2: Convert to fraction form
    21,493.92/29,661.61 = 12,062.48/x
  3. Step 3: Cross multiply
    21,493.92x = 29,661.61 × 12,062.48
  4. Step 4: Simplify right side
    21,493.92x = 357,792,577.39
  5. Step 5: Solve for x
    x = 357,792,577.39/21,493.92
  6. Step 6: Final answer
    x = 16,646.22

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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.