Home / 16,938.75-25,398.96-13,451.20

Finding the Fourth Proportional to 16,938.75, 25,398.96 and 13,451.20

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Solution

The fourth proportional to 16,938.75, 25,398.96 and 13,451.20 is: 20,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.75 : 25,398.96 = 13,451.20 : x
  2. Step 2: Convert to fraction form
    16,938.75/25,398.96 = 13,451.20/x
  3. Step 3: Cross multiply
    16,938.75x = 25,398.96 × 13,451.20
  4. Step 4: Simplify right side
    16,938.75x = 341,646,490.75
  5. Step 5: Solve for x
    x = 341,646,490.75/16,938.75
  6. Step 6: Final answer
    x = 20,169.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.