Home / 16,869.82-25,270.71-14,123.92

Finding the Fourth Proportional to 16,869.82, 25,270.71 and 14,123.92

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Solution

The fourth proportional to 16,869.82, 25,270.71 and 14,123.92 is: 21,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.82 : 25,270.71 = 14,123.92 : x
  2. Step 2: Convert to fraction form
    16,869.82/25,270.71 = 14,123.92/x
  3. Step 3: Cross multiply
    16,869.82x = 25,270.71 × 14,123.92
  4. Step 4: Simplify right side
    16,869.82x = 356,921,486.38
  5. Step 5: Solve for x
    x = 356,921,486.38/16,869.82
  6. Step 6: Final answer
    x = 21,157.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.