Home / 18,261.15-27,396.12-9,372.81

Finding the Fourth Proportional to 18,261.15, 27,396.12 and 9,372.81

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Solution

The fourth proportional to 18,261.15, 27,396.12 and 9,372.81 is: 14,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.15 : 27,396.12 = 9,372.81 : x
  2. Step 2: Convert to fraction form
    18,261.15/27,396.12 = 9,372.81/x
  3. Step 3: Cross multiply
    18,261.15x = 27,396.12 × 9,372.81
  4. Step 4: Simplify right side
    18,261.15x = 256,778,765.38
  5. Step 5: Solve for x
    x = 256,778,765.38/18,261.15
  6. Step 6: Final answer
    x = 14,061.48

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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.