Home / 18,844.49-28,267.34-9,479.39

Finding the Fourth Proportional to 18,844.49, 28,267.34 and 9,479.39

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Solution

The fourth proportional to 18,844.49, 28,267.34 and 9,479.39 is: 14,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.49 : 28,267.34 = 9,479.39 : x
  2. Step 2: Convert to fraction form
    18,844.49/28,267.34 = 9,479.39/x
  3. Step 3: Cross multiply
    18,844.49x = 28,267.34 × 9,479.39
  4. Step 4: Simplify right side
    18,844.49x = 267,957,092.73
  5. Step 5: Solve for x
    x = 267,957,092.73/18,844.49
  6. Step 6: Final answer
    x = 14,219.39

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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.