Home / 17,139.34-25,708.74-9,245.53

Finding the Fourth Proportional to 17,139.34, 25,708.74 and 9,245.53

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Solution

The fourth proportional to 17,139.34, 25,708.74 and 9,245.53 is: 13,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.34 : 25,708.74 = 9,245.53 : x
  2. Step 2: Convert to fraction form
    17,139.34/25,708.74 = 9,245.53/x
  3. Step 3: Cross multiply
    17,139.34x = 25,708.74 × 9,245.53
  4. Step 4: Simplify right side
    17,139.34x = 237,690,926.93
  5. Step 5: Solve for x
    x = 237,690,926.93/17,139.34
  6. Step 6: Final answer
    x = 13,868.15

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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.