Home / 17,087.30-25,638.15-9,301.70

Finding the Fourth Proportional to 17,087.30, 25,638.15 and 9,301.70

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Solution

The fourth proportional to 17,087.30, 25,638.15 and 9,301.70 is: 13,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.30 : 25,638.15 = 9,301.70 : x
  2. Step 2: Convert to fraction form
    17,087.30/25,638.15 = 9,301.70/x
  3. Step 3: Cross multiply
    17,087.30x = 25,638.15 × 9,301.70
  4. Step 4: Simplify right side
    17,087.30x = 238,478,379.86
  5. Step 5: Solve for x
    x = 238,478,379.86/17,087.30
  6. Step 6: Final answer
    x = 13,956.47

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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.