Home / 22,110.84-30,508.02-18,540.24

Finding the Fourth Proportional to 22,110.84, 30,508.02 and 18,540.24

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Solution

The fourth proportional to 22,110.84, 30,508.02 and 18,540.24 is: 25,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.84 : 30,508.02 = 18,540.24 : x
  2. Step 2: Convert to fraction form
    22,110.84/30,508.02 = 18,540.24/x
  3. Step 3: Cross multiply
    22,110.84x = 30,508.02 × 18,540.24
  4. Step 4: Simplify right side
    22,110.84x = 565,626,012.72
  5. Step 5: Solve for x
    x = 565,626,012.72/22,110.84
  6. Step 6: Final answer
    x = 25,581.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.