Home / 17,986.86-24,834.60-11,275.20

Finding the Fourth Proportional to 17,986.86, 24,834.60 and 11,275.20

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Solution

The fourth proportional to 17,986.86, 24,834.60 and 11,275.20 is: 15,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.86 : 24,834.60 = 11,275.20 : x
  2. Step 2: Convert to fraction form
    17,986.86/24,834.60 = 11,275.20/x
  3. Step 3: Cross multiply
    17,986.86x = 24,834.60 × 11,275.20
  4. Step 4: Simplify right side
    17,986.86x = 280,015,081.92
  5. Step 5: Solve for x
    x = 280,015,081.92/17,986.86
  6. Step 6: Final answer
    x = 15,567.76

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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.