Home / 11,819.45-16,320.35-8,050.52

Finding the Fourth Proportional to 11,819.45, 16,320.35 and 8,050.52

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Solution

The fourth proportional to 11,819.45, 16,320.35 and 8,050.52 is: 11,116.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.45 : 16,320.35 = 8,050.52 : x
  2. Step 2: Convert to fraction form
    11,819.45/16,320.35 = 8,050.52/x
  3. Step 3: Cross multiply
    11,819.45x = 16,320.35 × 8,050.52
  4. Step 4: Simplify right side
    11,819.45x = 131,387,304.08
  5. Step 5: Solve for x
    x = 131,387,304.08/11,819.45
  6. Step 6: Final answer
    x = 11,116.19

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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.