Home / 17,378.76-26,065.50-5,691.72

Finding the Fourth Proportional to 17,378.76, 26,065.50 and 5,691.72

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Solution

The fourth proportional to 17,378.76, 26,065.50 and 5,691.72 is: 8,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.76 : 26,065.50 = 5,691.72 : x
  2. Step 2: Convert to fraction form
    17,378.76/26,065.50 = 5,691.72/x
  3. Step 3: Cross multiply
    17,378.76x = 26,065.50 × 5,691.72
  4. Step 4: Simplify right side
    17,378.76x = 148,357,527.66
  5. Step 5: Solve for x
    x = 148,357,527.66/17,378.76
  6. Step 6: Final answer
    x = 8,536.72

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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.