Home / 16,961.40-25,306.02-15,090.30

Finding the Fourth Proportional to 16,961.40, 25,306.02 and 15,090.30

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Solution

The fourth proportional to 16,961.40, 25,306.02 and 15,090.30 is: 22,514.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.40 : 25,306.02 = 15,090.30 : x
  2. Step 2: Convert to fraction form
    16,961.40/25,306.02 = 15,090.30/x
  3. Step 3: Cross multiply
    16,961.40x = 25,306.02 × 15,090.30
  4. Step 4: Simplify right side
    16,961.40x = 381,875,433.61
  5. Step 5: Solve for x
    x = 381,875,433.61/16,961.40
  6. Step 6: Final answer
    x = 22,514.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.