Home / 16,868.82-25,269.21-14,122.92

Finding the Fourth Proportional to 16,868.82, 25,269.21 and 14,122.92

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Solution

The fourth proportional to 16,868.82, 25,269.21 and 14,122.92 is: 21,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.82 : 25,269.21 = 14,122.92 : x
  2. Step 2: Convert to fraction form
    16,868.82/25,269.21 = 14,122.92/x
  3. Step 3: Cross multiply
    16,868.82x = 25,269.21 × 14,122.92
  4. Step 4: Simplify right side
    16,868.82x = 356,875,031.29
  5. Step 5: Solve for x
    x = 356,875,031.29/16,868.82
  6. Step 6: Final answer
    x = 21,155.90

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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.