Home / 10,871.67-15,002.82-6,155.95

Finding the Fourth Proportional to 10,871.67, 15,002.82 and 6,155.95

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Solution

The fourth proportional to 10,871.67, 15,002.82 and 6,155.95 is: 8,495.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.67 : 15,002.82 = 6,155.95 : x
  2. Step 2: Convert to fraction form
    10,871.67/15,002.82 = 6,155.95/x
  3. Step 3: Cross multiply
    10,871.67x = 15,002.82 × 6,155.95
  4. Step 4: Simplify right side
    10,871.67x = 92,356,600.40
  5. Step 5: Solve for x
    x = 92,356,600.40/10,871.67
  6. Step 6: Final answer
    x = 8,495.16

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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.