Home / 18,510.38-25,544.93-10,126.88

Finding the Fourth Proportional to 18,510.38, 25,544.93 and 10,126.88

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Solution

The fourth proportional to 18,510.38, 25,544.93 and 10,126.88 is: 13,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.38 : 25,544.93 = 10,126.88 : x
  2. Step 2: Convert to fraction form
    18,510.38/25,544.93 = 10,126.88/x
  3. Step 3: Cross multiply
    18,510.38x = 25,544.93 × 10,126.88
  4. Step 4: Simplify right side
    18,510.38x = 258,690,262.36
  5. Step 5: Solve for x
    x = 258,690,262.36/18,510.38
  6. Step 6: Final answer
    x = 13,975.42

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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.