Home / 18,031.56-27,044.61-6,342.05

Finding the Fourth Proportional to 18,031.56, 27,044.61 and 6,342.05

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Solution

The fourth proportional to 18,031.56, 27,044.61 and 6,342.05 is: 9,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.56 : 27,044.61 = 6,342.05 : x
  2. Step 2: Convert to fraction form
    18,031.56/27,044.61 = 6,342.05/x
  3. Step 3: Cross multiply
    18,031.56x = 27,044.61 × 6,342.05
  4. Step 4: Simplify right side
    18,031.56x = 171,518,178.39
  5. Step 5: Solve for x
    x = 171,518,178.39/18,031.56
  6. Step 6: Final answer
    x = 9,512.11

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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.