Home / 16,834.50-25,260.09-12,381.18

Finding the Fourth Proportional to 16,834.50, 25,260.09 and 12,381.18

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Solution

The fourth proportional to 16,834.50, 25,260.09 and 12,381.18 is: 18,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,834.50 : 25,260.09 = 12,381.18 : x
  2. Step 2: Convert to fraction form
    16,834.50/25,260.09 = 12,381.18/x
  3. Step 3: Cross multiply
    16,834.50x = 25,260.09 × 12,381.18
  4. Step 4: Simplify right side
    16,834.50x = 312,749,721.11
  5. Step 5: Solve for x
    x = 312,749,721.11/16,834.50
  6. Step 6: Final answer
    x = 18,577.90

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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.