Home / 17,761.28-26,639.69-4,612.55

Finding the Fourth Proportional to 17,761.28, 26,639.69 and 4,612.55

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Solution

The fourth proportional to 17,761.28, 26,639.69 and 4,612.55 is: 6,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.28 : 26,639.69 = 4,612.55 : x
  2. Step 2: Convert to fraction form
    17,761.28/26,639.69 = 4,612.55/x
  3. Step 3: Cross multiply
    17,761.28x = 26,639.69 × 4,612.55
  4. Step 4: Simplify right side
    17,761.28x = 122,876,745.85
  5. Step 5: Solve for x
    x = 122,876,745.85/17,761.28
  6. Step 6: Final answer
    x = 6,918.24

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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.