Home / 17,478.18-26,218.89-5,791.50

Finding the Fourth Proportional to 17,478.18, 26,218.89 and 5,791.50

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Solution

The fourth proportional to 17,478.18, 26,218.89 and 5,791.50 is: 8,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.18 : 26,218.89 = 5,791.50 : x
  2. Step 2: Convert to fraction form
    17,478.18/26,218.89 = 5,791.50/x
  3. Step 3: Cross multiply
    17,478.18x = 26,218.89 × 5,791.50
  4. Step 4: Simplify right side
    17,478.18x = 151,846,701.44
  5. Step 5: Solve for x
    x = 151,846,701.44/17,478.18
  6. Step 6: Final answer
    x = 8,687.79

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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.