Home / 18,517.34-25,553.82-10,019.44

Finding the Fourth Proportional to 18,517.34, 25,553.82 and 10,019.44

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Solution

The fourth proportional to 18,517.34, 25,553.82 and 10,019.44 is: 13,826.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.34 : 25,553.82 = 10,019.44 : x
  2. Step 2: Convert to fraction form
    18,517.34/25,553.82 = 10,019.44/x
  3. Step 3: Cross multiply
    18,517.34x = 25,553.82 × 10,019.44
  4. Step 4: Simplify right side
    18,517.34x = 256,034,966.26
  5. Step 5: Solve for x
    x = 256,034,966.26/18,517.34
  6. Step 6: Final answer
    x = 13,826.77

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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.