Home / 10,409.57-15,614.36-2,618.38

Finding the Fourth Proportional to 10,409.57, 15,614.36 and 2,618.38

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Solution

The fourth proportional to 10,409.57, 15,614.36 and 2,618.38 is: 3,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.57 : 15,614.36 = 2,618.38 : x
  2. Step 2: Convert to fraction form
    10,409.57/15,614.36 = 2,618.38/x
  3. Step 3: Cross multiply
    10,409.57x = 15,614.36 × 2,618.38
  4. Step 4: Simplify right side
    10,409.57x = 40,884,236.77
  5. Step 5: Solve for x
    x = 40,884,236.77/10,409.57
  6. Step 6: Final answer
    x = 3,927.56

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Similar ratio
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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.