Home / 14,915.80-20,575.38-8,627.32

Finding the Fourth Proportional to 14,915.80, 20,575.38 and 8,627.32

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Solution

The fourth proportional to 14,915.80, 20,575.38 and 8,627.32 is: 11,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.80 : 20,575.38 = 8,627.32 : x
  2. Step 2: Convert to fraction form
    14,915.80/20,575.38 = 8,627.32/x
  3. Step 3: Cross multiply
    14,915.80x = 20,575.38 × 8,627.32
  4. Step 4: Simplify right side
    14,915.80x = 177,510,387.38
  5. Step 5: Solve for x
    x = 177,510,387.38/14,915.80
  6. Step 6: Final answer
    x = 11,900.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.