Home / 16,191.20-24,278.56-7,418.56

Finding the Fourth Proportional to 16,191.20, 24,278.56 and 7,418.56

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Solution

The fourth proportional to 16,191.20, 24,278.56 and 7,418.56 is: 11,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.20 : 24,278.56 = 7,418.56 : x
  2. Step 2: Convert to fraction form
    16,191.20/24,278.56 = 7,418.56/x
  3. Step 3: Cross multiply
    16,191.20x = 24,278.56 × 7,418.56
  4. Step 4: Simplify right side
    16,191.20x = 180,111,954.07
  5. Step 5: Solve for x
    x = 180,111,954.07/16,191.20
  6. Step 6: Final answer
    x = 11,124.06

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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.