Home / 10,249.79-15,359.73-4,543.87

Finding the Fourth Proportional to 10,249.79, 15,359.73 and 4,543.87

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Solution

The fourth proportional to 10,249.79, 15,359.73 and 4,543.87 is: 6,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.79 : 15,359.73 = 4,543.87 : x
  2. Step 2: Convert to fraction form
    10,249.79/15,359.73 = 4,543.87/x
  3. Step 3: Cross multiply
    10,249.79x = 15,359.73 × 4,543.87
  4. Step 4: Simplify right side
    10,249.79x = 69,792,654.75
  5. Step 5: Solve for x
    x = 69,792,654.75/10,249.79
  6. Step 6: Final answer
    x = 6,809.18

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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.