Home / 10,897.92-15,039.15-6,182.49

Finding the Fourth Proportional to 10,897.92, 15,039.15 and 6,182.49

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Solution

The fourth proportional to 10,897.92, 15,039.15 and 6,182.49 is: 8,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.92 : 15,039.15 = 6,182.49 : x
  2. Step 2: Convert to fraction form
    10,897.92/15,039.15 = 6,182.49/x
  3. Step 3: Cross multiply
    10,897.92x = 15,039.15 × 6,182.49
  4. Step 4: Simplify right side
    10,897.92x = 92,979,394.48
  5. Step 5: Solve for x
    x = 92,979,394.48/10,897.92
  6. Step 6: Final answer
    x = 8,531.85

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1.5x scale

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.