Home / 10,265.12-14,165.85-5,549.39

Finding the Fourth Proportional to 10,265.12, 14,165.85 and 5,549.39

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Solution

The fourth proportional to 10,265.12, 14,165.85 and 5,549.39 is: 7,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.12 : 14,165.85 = 5,549.39 : x
  2. Step 2: Convert to fraction form
    10,265.12/14,165.85 = 5,549.39/x
  3. Step 3: Cross multiply
    10,265.12x = 14,165.85 × 5,549.39
  4. Step 4: Simplify right side
    10,265.12x = 78,611,826.33
  5. Step 5: Solve for x
    x = 78,611,826.33/10,265.12
  6. Step 6: Final answer
    x = 7,658.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.