Home / 18,246.39-25,180.05-9,862.89

Finding the Fourth Proportional to 18,246.39, 25,180.05 and 9,862.89

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Solution

The fourth proportional to 18,246.39, 25,180.05 and 9,862.89 is: 13,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.39 : 25,180.05 = 9,862.89 : x
  2. Step 2: Convert to fraction form
    18,246.39/25,180.05 = 9,862.89/x
  3. Step 3: Cross multiply
    18,246.39x = 25,180.05 × 9,862.89
  4. Step 4: Simplify right side
    18,246.39x = 248,348,063.34
  5. Step 5: Solve for x
    x = 248,348,063.34/18,246.39
  6. Step 6: Final answer
    x = 13,610.81

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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.