Home / 18,549.34-27,821.31-5,398.18

Finding the Fourth Proportional to 18,549.34, 27,821.31 and 5,398.18

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Solution

The fourth proportional to 18,549.34, 27,821.31 and 5,398.18 is: 8,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.34 : 27,821.31 = 5,398.18 : x
  2. Step 2: Convert to fraction form
    18,549.34/27,821.31 = 5,398.18/x
  3. Step 3: Cross multiply
    18,549.34x = 27,821.31 × 5,398.18
  4. Step 4: Simplify right side
    18,549.34x = 150,184,439.22
  5. Step 5: Solve for x
    x = 150,184,439.22/18,549.34
  6. Step 6: Final answer
    x = 8,096.48

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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.