Home / 10,539.56-15,809.16-3,144.04

Finding the Fourth Proportional to 10,539.56, 15,809.16 and 3,144.04

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Solution

The fourth proportional to 10,539.56, 15,809.16 and 3,144.04 is: 4,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.56 : 15,809.16 = 3,144.04 : x
  2. Step 2: Convert to fraction form
    10,539.56/15,809.16 = 3,144.04/x
  3. Step 3: Cross multiply
    10,539.56x = 15,809.16 × 3,144.04
  4. Step 4: Simplify right side
    10,539.56x = 49,704,631.41
  5. Step 5: Solve for x
    x = 49,704,631.41/10,539.56
  6. Step 6: Final answer
    x = 4,716.01

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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.