Home / 18,517.59-25,554.22-10,019.75

Finding the Fourth Proportional to 18,517.59, 25,554.22 and 10,019.75

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Solution

The fourth proportional to 18,517.59, 25,554.22 and 10,019.75 is: 13,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.59 : 25,554.22 = 10,019.75 : x
  2. Step 2: Convert to fraction form
    18,517.59/25,554.22 = 10,019.75/x
  3. Step 3: Cross multiply
    18,517.59x = 25,554.22 × 10,019.75
  4. Step 4: Simplify right side
    18,517.59x = 256,046,743.02
  5. Step 5: Solve for x
    x = 256,046,743.02/18,517.59
  6. Step 6: Final answer
    x = 13,827.22

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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.