Home / 18,103.02-27,154.01-12,218.61

Finding the Fourth Proportional to 18,103.02, 27,154.01 and 12,218.61

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Solution

The fourth proportional to 18,103.02, 27,154.01 and 12,218.61 is: 18,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.02 : 27,154.01 = 12,218.61 : x
  2. Step 2: Convert to fraction form
    18,103.02/27,154.01 = 12,218.61/x
  3. Step 3: Cross multiply
    18,103.02x = 27,154.01 × 12,218.61
  4. Step 4: Simplify right side
    18,103.02x = 331,784,258.13
  5. Step 5: Solve for x
    x = 331,784,258.13/18,103.02
  6. Step 6: Final answer
    x = 18,327.56

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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.