Home / 15,817.62-23,729.28-5,286.60

Finding the Fourth Proportional to 15,817.62, 23,729.28 and 5,286.60

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Solution

The fourth proportional to 15,817.62, 23,729.28 and 5,286.60 is: 7,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.62 : 23,729.28 = 5,286.60 : x
  2. Step 2: Convert to fraction form
    15,817.62/23,729.28 = 5,286.60/x
  3. Step 3: Cross multiply
    15,817.62x = 23,729.28 × 5,286.60
  4. Step 4: Simplify right side
    15,817.62x = 125,447,211.65
  5. Step 5: Solve for x
    x = 125,447,211.65/15,817.62
  6. Step 6: Final answer
    x = 7,930.85

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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.