Home / 10,427.20-15,601.56-7,313.29

Finding the Fourth Proportional to 10,427.20, 15,601.56 and 7,313.29

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Solution

The fourth proportional to 10,427.20, 15,601.56 and 7,313.29 is: 10,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.20 : 15,601.56 = 7,313.29 : x
  2. Step 2: Convert to fraction form
    10,427.20/15,601.56 = 7,313.29/x
  3. Step 3: Cross multiply
    10,427.20x = 15,601.56 × 7,313.29
  4. Step 4: Simplify right side
    10,427.20x = 114,098,732.73
  5. Step 5: Solve for x
    x = 114,098,732.73/10,427.20
  6. Step 6: Final answer
    x = 10,942.41

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1.5x scale

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.