Home / 18,734.06-25,863.64-12,454.94

Finding the Fourth Proportional to 18,734.06, 25,863.64 and 12,454.94

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Solution

The fourth proportional to 18,734.06, 25,863.64 and 12,454.94 is: 17,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.06 : 25,863.64 = 12,454.94 : x
  2. Step 2: Convert to fraction form
    18,734.06/25,863.64 = 12,454.94/x
  3. Step 3: Cross multiply
    18,734.06x = 25,863.64 × 12,454.94
  4. Step 4: Simplify right side
    18,734.06x = 322,130,084.38
  5. Step 5: Solve for x
    x = 322,130,084.38/18,734.06
  6. Step 6: Final answer
    x = 17,194.89

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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.