Home / 10,604.10-15,884.55-5,412.90

Finding the Fourth Proportional to 10,604.10, 15,884.55 and 5,412.90

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Solution

The fourth proportional to 10,604.10, 15,884.55 and 5,412.90 is: 8,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.10 : 15,884.55 = 5,412.90 : x
  2. Step 2: Convert to fraction form
    10,604.10/15,884.55 = 5,412.90/x
  3. Step 3: Cross multiply
    10,604.10x = 15,884.55 × 5,412.90
  4. Step 4: Simplify right side
    10,604.10x = 85,981,480.70
  5. Step 5: Solve for x
    x = 85,981,480.70/10,604.10
  6. Step 6: Final answer
    x = 8,108.32

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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.