Home / 25,324.19-34,945.59-13,993.57

Finding the Fourth Proportional to 25,324.19, 34,945.59 and 13,993.57

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Solution

The fourth proportional to 25,324.19, 34,945.59 and 13,993.57 is: 19,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,324.19 : 34,945.59 = 13,993.57 : x
  2. Step 2: Convert to fraction form
    25,324.19/34,945.59 = 13,993.57/x
  3. Step 3: Cross multiply
    25,324.19x = 34,945.59 × 13,993.57
  4. Step 4: Simplify right side
    25,324.19x = 489,013,559.86
  5. Step 5: Solve for x
    x = 489,013,559.86/25,324.19
  6. Step 6: Final answer
    x = 19,310.14

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Half scale
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Double scale
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Similar ratio
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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.