Home / 18,293.70-27,395.76-15,111.68

Finding the Fourth Proportional to 18,293.70, 27,395.76 and 15,111.68

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Solution

The fourth proportional to 18,293.70, 27,395.76 and 15,111.68 is: 22,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.70 : 27,395.76 = 15,111.68 : x
  2. Step 2: Convert to fraction form
    18,293.70/27,395.76 = 15,111.68/x
  3. Step 3: Cross multiply
    18,293.70x = 27,395.76 × 15,111.68
  4. Step 4: Simplify right side
    18,293.70x = 413,995,821.50
  5. Step 5: Solve for x
    x = 413,995,821.50/18,293.70
  6. Step 6: Final answer
    x = 22,630.51

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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.