Home / 17,479.38-26,223.21-7,620.42

Finding the Fourth Proportional to 17,479.38, 26,223.21 and 7,620.42

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Solution

The fourth proportional to 17,479.38, 26,223.21 and 7,620.42 is: 11,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.38 : 26,223.21 = 7,620.42 : x
  2. Step 2: Convert to fraction form
    17,479.38/26,223.21 = 7,620.42/x
  3. Step 3: Cross multiply
    17,479.38x = 26,223.21 × 7,620.42
  4. Step 4: Simplify right side
    17,479.38x = 199,831,873.95
  5. Step 5: Solve for x
    x = 199,831,873.95/17,479.38
  6. Step 6: Final answer
    x = 11,432.43

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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.