Home / 21,083.92-29,072.12-14,373.48

Finding the Fourth Proportional to 21,083.92, 29,072.12 and 14,373.48

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Solution

The fourth proportional to 21,083.92, 29,072.12 and 14,373.48 is: 19,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.92 : 29,072.12 = 14,373.48 : x
  2. Step 2: Convert to fraction form
    21,083.92/29,072.12 = 14,373.48/x
  3. Step 3: Cross multiply
    21,083.92x = 29,072.12 × 14,373.48
  4. Step 4: Simplify right side
    21,083.92x = 417,867,535.38
  5. Step 5: Solve for x
    x = 417,867,535.38/21,083.92
  6. Step 6: Final answer
    x = 19,819.25

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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.