Home / 10,538.38-15,812.18-4,995.68

Finding the Fourth Proportional to 10,538.38, 15,812.18 and 4,995.68

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Solution

The fourth proportional to 10,538.38, 15,812.18 and 4,995.68 is: 7,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.38 : 15,812.18 = 4,995.68 : x
  2. Step 2: Convert to fraction form
    10,538.38/15,812.18 = 4,995.68/x
  3. Step 3: Cross multiply
    10,538.38x = 15,812.18 × 4,995.68
  4. Step 4: Simplify right side
    10,538.38x = 78,992,591.38
  5. Step 5: Solve for x
    x = 78,992,591.38/10,538.38
  6. Step 6: Final answer
    x = 7,495.71

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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.