Home / 18,423.14-27,634.61-5,275.50

Finding the Fourth Proportional to 18,423.14, 27,634.61 and 5,275.50

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Solution

The fourth proportional to 18,423.14, 27,634.61 and 5,275.50 is: 7,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.14 : 27,634.61 = 5,275.50 : x
  2. Step 2: Convert to fraction form
    18,423.14/27,634.61 = 5,275.50/x
  3. Step 3: Cross multiply
    18,423.14x = 27,634.61 × 5,275.50
  4. Step 4: Simplify right side
    18,423.14x = 145,786,398.24
  5. Step 5: Solve for x
    x = 145,786,398.24/18,423.14
  6. Step 6: Final answer
    x = 7,913.22

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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.