Home / 15,758.78-23,639.90-6,397.44

Finding the Fourth Proportional to 15,758.78, 23,639.90 and 6,397.44

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Solution

The fourth proportional to 15,758.78, 23,639.90 and 6,397.44 is: 9,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,758.78 : 23,639.90 = 6,397.44 : x
  2. Step 2: Convert to fraction form
    15,758.78/23,639.90 = 6,397.44/x
  3. Step 3: Cross multiply
    15,758.78x = 23,639.90 × 6,397.44
  4. Step 4: Simplify right side
    15,758.78x = 151,234,809.87
  5. Step 5: Solve for x
    x = 151,234,809.87/15,758.78
  6. Step 6: Final answer
    x = 9,596.86

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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.