Home / 11,115.04-16,657.20-10,842.88

Finding the Fourth Proportional to 11,115.04, 16,657.20 and 10,842.88

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Solution

The fourth proportional to 11,115.04, 16,657.20 and 10,842.88 is: 16,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.04 : 16,657.20 = 10,842.88 : x
  2. Step 2: Convert to fraction form
    11,115.04/16,657.20 = 10,842.88/x
  3. Step 3: Cross multiply
    11,115.04x = 16,657.20 × 10,842.88
  4. Step 4: Simplify right side
    11,115.04x = 180,612,020.74
  5. Step 5: Solve for x
    x = 180,612,020.74/11,115.04
  6. Step 6: Final answer
    x = 16,249.34

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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.