Home / 21,722.42-32,546.10-11,868.50

Finding the Fourth Proportional to 21,722.42, 32,546.10 and 11,868.50

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Solution

The fourth proportional to 21,722.42, 32,546.10 and 11,868.50 is: 17,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722.42 : 32,546.10 = 11,868.50 : x
  2. Step 2: Convert to fraction form
    21,722.42/32,546.10 = 11,868.50/x
  3. Step 3: Cross multiply
    21,722.42x = 32,546.10 × 11,868.50
  4. Step 4: Simplify right side
    21,722.42x = 386,273,387.85
  5. Step 5: Solve for x
    x = 386,273,387.85/21,722.42
  6. Step 6: Final answer
    x = 17,782.24

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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.