Home / 16,729.60-25,192.21-12,377.68

Finding the Fourth Proportional to 16,729.60, 25,192.21 and 12,377.68

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Solution

The fourth proportional to 16,729.60, 25,192.21 and 12,377.68 is: 18,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.60 : 25,192.21 = 12,377.68 : x
  2. Step 2: Convert to fraction form
    16,729.60/25,192.21 = 12,377.68/x
  3. Step 3: Cross multiply
    16,729.60x = 25,192.21 × 12,377.68
  4. Step 4: Simplify right side
    16,729.60x = 311,821,113.87
  5. Step 5: Solve for x
    x = 311,821,113.87/16,729.60
  6. Step 6: Final answer
    x = 18,638.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.