Home / 20,360.50-30,524.31-7,874.08

Finding the Fourth Proportional to 20,360.50, 30,524.31 and 7,874.08

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Solution

The fourth proportional to 20,360.50, 30,524.31 and 7,874.08 is: 11,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360.50 : 30,524.31 = 7,874.08 : x
  2. Step 2: Convert to fraction form
    20,360.50/30,524.31 = 7,874.08/x
  3. Step 3: Cross multiply
    20,360.50x = 30,524.31 × 7,874.08
  4. Step 4: Simplify right side
    20,360.50x = 240,350,782.57
  5. Step 5: Solve for x
    x = 240,350,782.57/20,360.50
  6. Step 6: Final answer
    x = 11,804.76

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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.