Home / 13,951.44-20,933.85-8,685.08

Finding the Fourth Proportional to 13,951.44, 20,933.85 and 8,685.08

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Solution

The fourth proportional to 13,951.44, 20,933.85 and 8,685.08 is: 13,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.44 : 20,933.85 = 8,685.08 : x
  2. Step 2: Convert to fraction form
    13,951.44/20,933.85 = 8,685.08/x
  3. Step 3: Cross multiply
    13,951.44x = 20,933.85 × 8,685.08
  4. Step 4: Simplify right side
    13,951.44x = 181,812,057.29
  5. Step 5: Solve for x
    x = 181,812,057.29/13,951.44
  6. Step 6: Final answer
    x = 13,031.78

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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.