Home / 9,117.70-13,677.28-2,543.94

Finding the Fourth Proportional to 9,117.70, 13,677.28 and 2,543.94

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Solution

The fourth proportional to 9,117.70, 13,677.28 and 2,543.94 is: 3,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.70 : 13,677.28 = 2,543.94 : x
  2. Step 2: Convert to fraction form
    9,117.70/13,677.28 = 2,543.94/x
  3. Step 3: Cross multiply
    9,117.70x = 13,677.28 × 2,543.94
  4. Step 4: Simplify right side
    9,117.70x = 34,794,179.68
  5. Step 5: Solve for x
    x = 34,794,179.68/9,117.70
  6. Step 6: Final answer
    x = 3,816.11

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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.