Home / 10,836.84-16,245.52-8,999.76

Finding the Fourth Proportional to 10,836.84, 16,245.52 and 8,999.76

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Solution

The fourth proportional to 10,836.84, 16,245.52 and 8,999.76 is: 13,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.84 : 16,245.52 = 8,999.76 : x
  2. Step 2: Convert to fraction form
    10,836.84/16,245.52 = 8,999.76/x
  3. Step 3: Cross multiply
    10,836.84x = 16,245.52 × 8,999.76
  4. Step 4: Simplify right side
    10,836.84x = 146,205,781.08
  5. Step 5: Solve for x
    x = 146,205,781.08/10,836.84
  6. Step 6: Final answer
    x = 13,491.55

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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.