Home / 10,301.57-15,438.68-5,369.88

Finding the Fourth Proportional to 10,301.57, 15,438.68 and 5,369.88

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Solution

The fourth proportional to 10,301.57, 15,438.68 and 5,369.88 is: 8,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.57 : 15,438.68 = 5,369.88 : x
  2. Step 2: Convert to fraction form
    10,301.57/15,438.68 = 5,369.88/x
  3. Step 3: Cross multiply
    10,301.57x = 15,438.68 × 5,369.88
  4. Step 4: Simplify right side
    10,301.57x = 82,903,940.35
  5. Step 5: Solve for x
    x = 82,903,940.35/10,301.57
  6. Step 6: Final answer
    x = 8,047.70

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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.