Home / 17,977.60-24,793.05-10,891.72

Finding the Fourth Proportional to 17,977.60, 24,793.05 and 10,891.72

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Solution

The fourth proportional to 17,977.60, 24,793.05 and 10,891.72 is: 15,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.60 : 24,793.05 = 10,891.72 : x
  2. Step 2: Convert to fraction form
    17,977.60/24,793.05 = 10,891.72/x
  3. Step 3: Cross multiply
    17,977.60x = 24,793.05 × 10,891.72
  4. Step 4: Simplify right side
    17,977.60x = 270,038,958.55
  5. Step 5: Solve for x
    x = 270,038,958.55/17,977.60
  6. Step 6: Final answer
    x = 15,020.86

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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.