Home / 18,114.48-27,178.56-9,343.80

Finding the Fourth Proportional to 18,114.48, 27,178.56 and 9,343.80

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Solution

The fourth proportional to 18,114.48, 27,178.56 and 9,343.80 is: 14,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.48 : 27,178.56 = 9,343.80 : x
  2. Step 2: Convert to fraction form
    18,114.48/27,178.56 = 9,343.80/x
  3. Step 3: Cross multiply
    18,114.48x = 27,178.56 × 9,343.80
  4. Step 4: Simplify right side
    18,114.48x = 253,951,028.93
  5. Step 5: Solve for x
    x = 253,951,028.93/18,114.48
  6. Step 6: Final answer
    x = 14,019.23

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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.