Home / 18,517.56-25,554.90-10,134.06

Finding the Fourth Proportional to 18,517.56, 25,554.90 and 10,134.06

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Solution

The fourth proportional to 18,517.56, 25,554.90 and 10,134.06 is: 13,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.56 : 25,554.90 = 10,134.06 : x
  2. Step 2: Convert to fraction form
    18,517.56/25,554.90 = 10,134.06/x
  3. Step 3: Cross multiply
    18,517.56x = 25,554.90 × 10,134.06
  4. Step 4: Simplify right side
    18,517.56x = 258,974,889.89
  5. Step 5: Solve for x
    x = 258,974,889.89/18,517.56
  6. Step 6: Final answer
    x = 13,985.37

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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.