Home / 18,844.48-28,267.34-9,479.40

Finding the Fourth Proportional to 18,844.48, 28,267.34 and 9,479.40

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Solution

The fourth proportional to 18,844.48, 28,267.34 and 9,479.40 is: 14,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.48 : 28,267.34 = 9,479.40 : x
  2. Step 2: Convert to fraction form
    18,844.48/28,267.34 = 9,479.40/x
  3. Step 3: Cross multiply
    18,844.48x = 28,267.34 × 9,479.40
  4. Step 4: Simplify right side
    18,844.48x = 267,957,422.80
  5. Step 5: Solve for x
    x = 267,957,422.80/18,844.48
  6. Step 6: Final answer
    x = 14,219.41

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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.