Home / 10,499.85-15,755.85-3,926.70

Finding the Fourth Proportional to 10,499.85, 15,755.85 and 3,926.70

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Solution

The fourth proportional to 10,499.85, 15,755.85 and 3,926.70 is: 5,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,499.85 : 15,755.85 = 3,926.70 : x
  2. Step 2: Convert to fraction form
    10,499.85/15,755.85 = 3,926.70/x
  3. Step 3: Cross multiply
    10,499.85x = 15,755.85 × 3,926.70
  4. Step 4: Simplify right side
    10,499.85x = 61,868,496.20
  5. Step 5: Solve for x
    x = 61,868,496.20/10,499.85
  6. Step 6: Final answer
    x = 5,892.32

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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.