Home / 18,377.59-25,375.36-14,121.94

Finding the Fourth Proportional to 18,377.59, 25,375.36 and 14,121.94

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Solution

The fourth proportional to 18,377.59, 25,375.36 and 14,121.94 is: 19,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.59 : 25,375.36 = 14,121.94 : x
  2. Step 2: Convert to fraction form
    18,377.59/25,375.36 = 14,121.94/x
  3. Step 3: Cross multiply
    18,377.59x = 25,375.36 × 14,121.94
  4. Step 4: Simplify right side
    18,377.59x = 358,349,311.40
  5. Step 5: Solve for x
    x = 358,349,311.40/18,377.59
  6. Step 6: Final answer
    x = 19,499.25

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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.