Home / 21,214.92-29,277.42-14,514.60

Finding the Fourth Proportional to 21,214.92, 29,277.42 and 14,514.60

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Solution

The fourth proportional to 21,214.92, 29,277.42 and 14,514.60 is: 20,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,214.92 : 29,277.42 = 14,514.60 : x
  2. Step 2: Convert to fraction form
    21,214.92/29,277.42 = 14,514.60/x
  3. Step 3: Cross multiply
    21,214.92x = 29,277.42 × 14,514.60
  4. Step 4: Simplify right side
    21,214.92x = 424,950,040.33
  5. Step 5: Solve for x
    x = 424,950,040.33/21,214.92
  6. Step 6: Final answer
    x = 20,030.72

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Similar ratio
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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.