Home / 21,862.52-30,170.26-11,926.52

Finding the Fourth Proportional to 21,862.52, 30,170.26 and 11,926.52

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Solution

The fourth proportional to 21,862.52, 30,170.26 and 11,926.52 is: 16,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862.52 : 30,170.26 = 11,926.52 : x
  2. Step 2: Convert to fraction form
    21,862.52/30,170.26 = 11,926.52/x
  3. Step 3: Cross multiply
    21,862.52x = 30,170.26 × 11,926.52
  4. Step 4: Simplify right side
    21,862.52x = 359,826,209.30
  5. Step 5: Solve for x
    x = 359,826,209.30/21,862.52
  6. Step 6: Final answer
    x = 16,458.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.