Home / 10,877.73-15,011.28-6,162.02

Finding the Fourth Proportional to 10,877.73, 15,011.28 and 6,162.02

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Solution

The fourth proportional to 10,877.73, 15,011.28 and 6,162.02 is: 8,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.73 : 15,011.28 = 6,162.02 : x
  2. Step 2: Convert to fraction form
    10,877.73/15,011.28 = 6,162.02/x
  3. Step 3: Cross multiply
    10,877.73x = 15,011.28 × 6,162.02
  4. Step 4: Simplify right side
    10,877.73x = 92,499,732.53
  5. Step 5: Solve for x
    x = 92,499,732.53/10,877.73
  6. Step 6: Final answer
    x = 8,503.59

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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.