Home / 18,264.69-27,397.76-5,118.21

Finding the Fourth Proportional to 18,264.69, 27,397.76 and 5,118.21

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Solution

The fourth proportional to 18,264.69, 27,397.76 and 5,118.21 is: 7,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.69 : 27,397.76 = 5,118.21 : x
  2. Step 2: Convert to fraction form
    18,264.69/27,397.76 = 5,118.21/x
  3. Step 3: Cross multiply
    18,264.69x = 27,397.76 × 5,118.21
  4. Step 4: Simplify right side
    18,264.69x = 140,227,463.62
  5. Step 5: Solve for x
    x = 140,227,463.62/18,264.69
  6. Step 6: Final answer
    x = 7,677.52

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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.