Home / 21,250.29-29,331.57-14,176.69

Finding the Fourth Proportional to 21,250.29, 29,331.57 and 14,176.69

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Solution

The fourth proportional to 21,250.29, 29,331.57 and 14,176.69 is: 19,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.29 : 29,331.57 = 14,176.69 : x
  2. Step 2: Convert to fraction form
    21,250.29/29,331.57 = 14,176.69/x
  3. Step 3: Cross multiply
    21,250.29x = 29,331.57 × 14,176.69
  4. Step 4: Simplify right side
    21,250.29x = 415,824,575.10
  5. Step 5: Solve for x
    x = 415,824,575.10/21,250.29
  6. Step 6: Final answer
    x = 19,567.95

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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.