Home / 14,937.57-20,620.85-8,648.73

Finding the Fourth Proportional to 14,937.57, 20,620.85 and 8,648.73

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Solution

The fourth proportional to 14,937.57, 20,620.85 and 8,648.73 is: 11,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.57 : 20,620.85 = 8,648.73 : x
  2. Step 2: Convert to fraction form
    14,937.57/20,620.85 = 8,648.73/x
  3. Step 3: Cross multiply
    14,937.57x = 20,620.85 × 8,648.73
  4. Step 4: Simplify right side
    14,937.57x = 178,344,120.78
  5. Step 5: Solve for x
    x = 178,344,120.78/14,937.57
  6. Step 6: Final answer
    x = 11,939.30

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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.