Home / 10,770.68-16,152.90-4,195.40

Finding the Fourth Proportional to 10,770.68, 16,152.90 and 4,195.40

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Solution

The fourth proportional to 10,770.68, 16,152.90 and 4,195.40 is: 6,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.68 : 16,152.90 = 4,195.40 : x
  2. Step 2: Convert to fraction form
    10,770.68/16,152.90 = 4,195.40/x
  3. Step 3: Cross multiply
    10,770.68x = 16,152.90 × 4,195.40
  4. Step 4: Simplify right side
    10,770.68x = 67,767,876.66
  5. Step 5: Solve for x
    x = 67,767,876.66/10,770.68
  6. Step 6: Final answer
    x = 6,291.88

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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.