Home / 18,079.05-27,071.85-12,474.01

Finding the Fourth Proportional to 18,079.05, 27,071.85 and 12,474.01

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Solution

The fourth proportional to 18,079.05, 27,071.85 and 12,474.01 is: 18,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.05 : 27,071.85 = 12,474.01 : x
  2. Step 2: Convert to fraction form
    18,079.05/27,071.85 = 12,474.01/x
  3. Step 3: Cross multiply
    18,079.05x = 27,071.85 × 12,474.01
  4. Step 4: Simplify right side
    18,079.05x = 337,694,392.26
  5. Step 5: Solve for x
    x = 337,694,392.26/18,079.05
  6. Step 6: Final answer
    x = 18,678.77

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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.