Home / 18,517.91-25,554.74-10,134.41

Finding the Fourth Proportional to 18,517.91, 25,554.74 and 10,134.41

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Solution

The fourth proportional to 18,517.91, 25,554.74 and 10,134.41 is: 13,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.91 : 25,554.74 = 10,134.41 : x
  2. Step 2: Convert to fraction form
    18,517.91/25,554.74 = 10,134.41/x
  3. Step 3: Cross multiply
    18,517.91x = 25,554.74 × 10,134.41
  4. Step 4: Simplify right side
    18,517.91x = 258,982,212.60
  5. Step 5: Solve for x
    x = 258,982,212.60/18,517.91
  6. Step 6: Final answer
    x = 13,985.50

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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.