Home / 10,248.56-15,361.28-5,236.92

Finding the Fourth Proportional to 10,248.56, 15,361.28 and 5,236.92

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Solution

The fourth proportional to 10,248.56, 15,361.28 and 5,236.92 is: 7,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,248.56 : 15,361.28 = 5,236.92 : x
  2. Step 2: Convert to fraction form
    10,248.56/15,361.28 = 5,236.92/x
  3. Step 3: Cross multiply
    10,248.56x = 15,361.28 × 5,236.92
  4. Step 4: Simplify right side
    10,248.56x = 80,445,787.91
  5. Step 5: Solve for x
    x = 80,445,787.91/10,248.56
  6. Step 6: Final answer
    x = 7,849.47

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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.