Home / 15,729.92-23,589.81-5,197.55

Finding the Fourth Proportional to 15,729.92, 23,589.81 and 5,197.55

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Solution

The fourth proportional to 15,729.92, 23,589.81 and 5,197.55 is: 7,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.92 : 23,589.81 = 5,197.55 : x
  2. Step 2: Convert to fraction form
    15,729.92/23,589.81 = 5,197.55/x
  3. Step 3: Cross multiply
    15,729.92x = 23,589.81 × 5,197.55
  4. Step 4: Simplify right side
    15,729.92x = 122,609,216.97
  5. Step 5: Solve for x
    x = 122,609,216.97/15,729.92
  6. Step 6: Final answer
    x = 7,794.65

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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.