Home / 10,912.28-15,059.76-6,132.63

Finding the Fourth Proportional to 10,912.28, 15,059.76 and 6,132.63

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Solution

The fourth proportional to 10,912.28, 15,059.76 and 6,132.63 is: 8,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.28 : 15,059.76 = 6,132.63 : x
  2. Step 2: Convert to fraction form
    10,912.28/15,059.76 = 6,132.63/x
  3. Step 3: Cross multiply
    10,912.28x = 15,059.76 × 6,132.63
  4. Step 4: Simplify right side
    10,912.28x = 92,355,992.23
  5. Step 5: Solve for x
    x = 92,355,992.23/10,912.28
  6. Step 6: Final answer
    x = 8,463.50

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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.