Home / 10,941.87-15,099.30-6,691.44

Finding the Fourth Proportional to 10,941.87, 15,099.30 and 6,691.44

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Solution

The fourth proportional to 10,941.87, 15,099.30 and 6,691.44 is: 9,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.87 : 15,099.30 = 6,691.44 : x
  2. Step 2: Convert to fraction form
    10,941.87/15,099.30 = 6,691.44/x
  3. Step 3: Cross multiply
    10,941.87x = 15,099.30 × 6,691.44
  4. Step 4: Simplify right side
    10,941.87x = 101,036,059.99
  5. Step 5: Solve for x
    x = 101,036,059.99/10,941.87
  6. Step 6: Final answer
    x = 9,233.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.