Home / 19,104.42-28,640.37-7,251.57

Finding the Fourth Proportional to 19,104.42, 28,640.37 and 7,251.57

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Solution

The fourth proportional to 19,104.42, 28,640.37 and 7,251.57 is: 10,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.42 : 28,640.37 = 7,251.57 : x
  2. Step 2: Convert to fraction form
    19,104.42/28,640.37 = 7,251.57/x
  3. Step 3: Cross multiply
    19,104.42x = 28,640.37 × 7,251.57
  4. Step 4: Simplify right side
    19,104.42x = 207,687,647.88
  5. Step 5: Solve for x
    x = 207,687,647.88/19,104.42
  6. Step 6: Final answer
    x = 10,871.18

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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.