Home / 18,842.08-28,263.66-10,517.44

Finding the Fourth Proportional to 18,842.08, 28,263.66 and 10,517.44

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Solution

The fourth proportional to 18,842.08, 28,263.66 and 10,517.44 is: 15,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.08 : 28,263.66 = 10,517.44 : x
  2. Step 2: Convert to fraction form
    18,842.08/28,263.66 = 10,517.44/x
  3. Step 3: Cross multiply
    18,842.08x = 28,263.66 × 10,517.44
  4. Step 4: Simplify right side
    18,842.08x = 297,261,348.23
  5. Step 5: Solve for x
    x = 297,261,348.23/18,842.08
  6. Step 6: Final answer
    x = 15,776.46

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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.