Home / 10,677.75-16,031.20-7,170.04

Finding the Fourth Proportional to 10,677.75, 16,031.20 and 7,170.04

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Solution

The fourth proportional to 10,677.75, 16,031.20 and 7,170.04 is: 10,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677.75 : 16,031.20 = 7,170.04 : x
  2. Step 2: Convert to fraction form
    10,677.75/16,031.20 = 7,170.04/x
  3. Step 3: Cross multiply
    10,677.75x = 16,031.20 × 7,170.04
  4. Step 4: Simplify right side
    10,677.75x = 114,944,345.25
  5. Step 5: Solve for x
    x = 114,944,345.25/10,677.75
  6. Step 6: Final answer
    x = 10,764.85

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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.