Home / 10,311.30-15,461.28-4,065.39

Finding the Fourth Proportional to 10,311.30, 15,461.28 and 4,065.39

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Solution

The fourth proportional to 10,311.30, 15,461.28 and 4,065.39 is: 6,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.30 : 15,461.28 = 4,065.39 : x
  2. Step 2: Convert to fraction form
    10,311.30/15,461.28 = 4,065.39/x
  3. Step 3: Cross multiply
    10,311.30x = 15,461.28 × 4,065.39
  4. Step 4: Simplify right side
    10,311.30x = 62,856,133.10
  5. Step 5: Solve for x
    x = 62,856,133.10/10,311.30
  6. Step 6: Final answer
    x = 6,095.85

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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.