Home / 10,039.96-15,049.98-4,765.70

Finding the Fourth Proportional to 10,039.96, 15,049.98 and 4,765.70

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Solution

The fourth proportional to 10,039.96, 15,049.98 and 4,765.70 is: 7,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.96 : 15,049.98 = 4,765.70 : x
  2. Step 2: Convert to fraction form
    10,039.96/15,049.98 = 4,765.70/x
  3. Step 3: Cross multiply
    10,039.96x = 15,049.98 × 4,765.70
  4. Step 4: Simplify right side
    10,039.96x = 71,723,689.69
  5. Step 5: Solve for x
    x = 71,723,689.69/10,039.96
  6. Step 6: Final answer
    x = 7,143.82

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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.