Home / 18,456.91-27,689.01-6,770.23

Finding the Fourth Proportional to 18,456.91, 27,689.01 and 6,770.23

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Solution

The fourth proportional to 18,456.91, 27,689.01 and 6,770.23 is: 10,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.91 : 27,689.01 = 6,770.23 : x
  2. Step 2: Convert to fraction form
    18,456.91/27,689.01 = 6,770.23/x
  3. Step 3: Cross multiply
    18,456.91x = 27,689.01 × 6,770.23
  4. Step 4: Simplify right side
    18,456.91x = 187,460,966.17
  5. Step 5: Solve for x
    x = 187,460,966.17/18,456.91
  6. Step 6: Final answer
    x = 10,156.68

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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.