Home / 18,614.40-25,687.56-10,230.84

Finding the Fourth Proportional to 18,614.40, 25,687.56 and 10,230.84

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Solution

The fourth proportional to 18,614.40, 25,687.56 and 10,230.84 is: 14,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.40 : 25,687.56 = 10,230.84 : x
  2. Step 2: Convert to fraction form
    18,614.40/25,687.56 = 10,230.84/x
  3. Step 3: Cross multiply
    18,614.40x = 25,687.56 × 10,230.84
  4. Step 4: Simplify right side
    18,614.40x = 262,805,316.35
  5. Step 5: Solve for x
    x = 262,805,316.35/18,614.40
  6. Step 6: Final answer
    x = 14,118.39

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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.