Home / 18,375.74-25,372.81-14,120.10

Finding the Fourth Proportional to 18,375.74, 25,372.81 and 14,120.10

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Solution

The fourth proportional to 18,375.74, 25,372.81 and 14,120.10 is: 19,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.74 : 25,372.81 = 14,120.10 : x
  2. Step 2: Convert to fraction form
    18,375.74/25,372.81 = 14,120.10/x
  3. Step 3: Cross multiply
    18,375.74x = 25,372.81 × 14,120.10
  4. Step 4: Simplify right side
    18,375.74x = 358,266,560.77
  5. Step 5: Solve for x
    x = 358,266,560.77/18,375.74
  6. Step 6: Final answer
    x = 19,496.71

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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.