Home / 18,182.22-25,085.43-14,819.25

Finding the Fourth Proportional to 18,182.22, 25,085.43 and 14,819.25

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Solution

The fourth proportional to 18,182.22, 25,085.43 and 14,819.25 is: 20,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.22 : 25,085.43 = 14,819.25 : x
  2. Step 2: Convert to fraction form
    18,182.22/25,085.43 = 14,819.25/x
  3. Step 3: Cross multiply
    18,182.22x = 25,085.43 × 14,819.25
  4. Step 4: Simplify right side
    18,182.22x = 371,747,258.53
  5. Step 5: Solve for x
    x = 371,747,258.53/18,182.22
  6. Step 6: Final answer
    x = 20,445.65

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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.