Home / 18,243.42-27,365.40-12,043.14

Finding the Fourth Proportional to 18,243.42, 27,365.40 and 12,043.14

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Solution

The fourth proportional to 18,243.42, 27,365.40 and 12,043.14 is: 18,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.42 : 27,365.40 = 12,043.14 : x
  2. Step 2: Convert to fraction form
    18,243.42/27,365.40 = 12,043.14/x
  3. Step 3: Cross multiply
    18,243.42x = 27,365.40 × 12,043.14
  4. Step 4: Simplify right side
    18,243.42x = 329,565,343.36
  5. Step 5: Solve for x
    x = 329,565,343.36/18,243.42
  6. Step 6: Final answer
    x = 18,064.89

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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.