Home / 18,844.24-28,266.96-9,479.15

Finding the Fourth Proportional to 18,844.24, 28,266.96 and 9,479.15

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Solution

The fourth proportional to 18,844.24, 28,266.96 and 9,479.15 is: 14,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.24 : 28,266.96 = 9,479.15 : x
  2. Step 2: Convert to fraction form
    18,844.24/28,266.96 = 9,479.15/x
  3. Step 3: Cross multiply
    18,844.24x = 28,266.96 × 9,479.15
  4. Step 4: Simplify right side
    18,844.24x = 267,946,753.88
  5. Step 5: Solve for x
    x = 267,946,753.88/18,844.24
  6. Step 6: Final answer
    x = 14,219.03

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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.