Home / 10,090.59-15,135.79-4,170.65

Finding the Fourth Proportional to 10,090.59, 15,135.79 and 4,170.65

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Solution

The fourth proportional to 10,090.59, 15,135.79 and 4,170.65 is: 6,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.59 : 15,135.79 = 4,170.65 : x
  2. Step 2: Convert to fraction form
    10,090.59/15,135.79 = 4,170.65/x
  3. Step 3: Cross multiply
    10,090.59x = 15,135.79 × 4,170.65
  4. Step 4: Simplify right side
    10,090.59x = 63,126,082.56
  5. Step 5: Solve for x
    x = 63,126,082.56/10,090.59
  6. Step 6: Final answer
    x = 6,255.94

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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.