Home / 18,267.16-27,402.48-5,119.49

Finding the Fourth Proportional to 18,267.16, 27,402.48 and 5,119.49

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Solution

The fourth proportional to 18,267.16, 27,402.48 and 5,119.49 is: 7,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.16 : 27,402.48 = 5,119.49 : x
  2. Step 2: Convert to fraction form
    18,267.16/27,402.48 = 5,119.49/x
  3. Step 3: Cross multiply
    18,267.16x = 27,402.48 × 5,119.49
  4. Step 4: Simplify right side
    18,267.16x = 140,286,722.34
  5. Step 5: Solve for x
    x = 140,286,722.34/18,267.16
  6. Step 6: Final answer
    x = 7,679.72

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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.