Home / 18,123.44-25,021.97-14,774.28

Finding the Fourth Proportional to 18,123.44, 25,021.97 and 14,774.28

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Solution

The fourth proportional to 18,123.44, 25,021.97 and 14,774.28 is: 20,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.44 : 25,021.97 = 14,774.28 : x
  2. Step 2: Convert to fraction form
    18,123.44/25,021.97 = 14,774.28/x
  3. Step 3: Cross multiply
    18,123.44x = 25,021.97 × 14,774.28
  4. Step 4: Simplify right side
    18,123.44x = 369,681,517.06
  5. Step 5: Solve for x
    x = 369,681,517.06/18,123.44
  6. Step 6: Final answer
    x = 20,397.98

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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.