Home / 15,951.67-23,926.79-5,421.26

Finding the Fourth Proportional to 15,951.67, 23,926.79 and 5,421.26

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Solution

The fourth proportional to 15,951.67, 23,926.79 and 5,421.26 is: 8,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.67 : 23,926.79 = 5,421.26 : x
  2. Step 2: Convert to fraction form
    15,951.67/23,926.79 = 5,421.26/x
  3. Step 3: Cross multiply
    15,951.67x = 23,926.79 × 5,421.26
  4. Step 4: Simplify right side
    15,951.67x = 129,713,422.93
  5. Step 5: Solve for x
    x = 129,713,422.93/15,951.67
  6. Step 6: Final answer
    x = 8,131.65

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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.