Home / 15,891.63-23,841.38-11,220.79

Finding the Fourth Proportional to 15,891.63, 23,841.38 and 11,220.79

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Solution

The fourth proportional to 15,891.63, 23,841.38 and 11,220.79 is: 16,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,891.63 : 23,841.38 = 11,220.79 : x
  2. Step 2: Convert to fraction form
    15,891.63/23,841.38 = 11,220.79/x
  3. Step 3: Cross multiply
    15,891.63x = 23,841.38 × 11,220.79
  4. Step 4: Simplify right side
    15,891.63x = 267,519,086.07
  5. Step 5: Solve for x
    x = 267,519,086.07/15,891.63
  6. Step 6: Final answer
    x = 16,833.96

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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.