Home / 10,207.10-15,307.60-3,631.78

Finding the Fourth Proportional to 10,207.10, 15,307.60 and 3,631.78

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Solution

The fourth proportional to 10,207.10, 15,307.60 and 3,631.78 is: 5,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.10 : 15,307.60 = 3,631.78 : x
  2. Step 2: Convert to fraction form
    10,207.10/15,307.60 = 3,631.78/x
  3. Step 3: Cross multiply
    10,207.10x = 15,307.60 × 3,631.78
  4. Step 4: Simplify right side
    10,207.10x = 55,593,835.53
  5. Step 5: Solve for x
    x = 55,593,835.53/10,207.10
  6. Step 6: Final answer
    x = 5,446.58

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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.