Home / 16,685.60-25,000.32-10,091.72

Finding the Fourth Proportional to 16,685.60, 25,000.32 and 10,091.72

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Solution

The fourth proportional to 16,685.60, 25,000.32 and 10,091.72 is: 15,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.60 : 25,000.32 = 10,091.72 : x
  2. Step 2: Convert to fraction form
    16,685.60/25,000.32 = 10,091.72/x
  3. Step 3: Cross multiply
    16,685.60x = 25,000.32 × 10,091.72
  4. Step 4: Simplify right side
    16,685.60x = 252,296,229.35
  5. Step 5: Solve for x
    x = 252,296,229.35/16,685.60
  6. Step 6: Final answer
    x = 15,120.60

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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.