Home / 18,269.54-25,211.97-9,886.02

Finding the Fourth Proportional to 18,269.54, 25,211.97 and 9,886.02

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Solution

The fourth proportional to 18,269.54, 25,211.97 and 9,886.02 is: 13,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.54 : 25,211.97 = 9,886.02 : x
  2. Step 2: Convert to fraction form
    18,269.54/25,211.97 = 9,886.02/x
  3. Step 3: Cross multiply
    18,269.54x = 25,211.97 × 9,886.02
  4. Step 4: Simplify right side
    18,269.54x = 249,246,039.66
  5. Step 5: Solve for x
    x = 249,246,039.66/18,269.54
  6. Step 6: Final answer
    x = 13,642.71

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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.