Home / 16,939.53-25,409.30-9,146.52

Finding the Fourth Proportional to 16,939.53, 25,409.30 and 9,146.52

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Solution

The fourth proportional to 16,939.53, 25,409.30 and 9,146.52 is: 13,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.53 : 25,409.30 = 9,146.52 : x
  2. Step 2: Convert to fraction form
    16,939.53/25,409.30 = 9,146.52/x
  3. Step 3: Cross multiply
    16,939.53x = 25,409.30 × 9,146.52
  4. Step 4: Simplify right side
    16,939.53x = 232,406,624.90
  5. Step 5: Solve for x
    x = 232,406,624.90/16,939.53
  6. Step 6: Final answer
    x = 13,719.78

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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.