Home / 10,877.64-16,305.12-6,187.55

Finding the Fourth Proportional to 10,877.64, 16,305.12 and 6,187.55

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Solution

The fourth proportional to 10,877.64, 16,305.12 and 6,187.55 is: 9,274.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.64 : 16,305.12 = 6,187.55 : x
  2. Step 2: Convert to fraction form
    10,877.64/16,305.12 = 6,187.55/x
  3. Step 3: Cross multiply
    10,877.64x = 16,305.12 × 6,187.55
  4. Step 4: Simplify right side
    10,877.64x = 100,888,663.73
  5. Step 5: Solve for x
    x = 100,888,663.73/10,877.64
  6. Step 6: Final answer
    x = 9,274.87

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1.5x scale

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.