Home / 16,759.11-25,138.28-8,436.89

Finding the Fourth Proportional to 16,759.11, 25,138.28 and 8,436.89

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Solution

The fourth proportional to 16,759.11, 25,138.28 and 8,436.89 is: 12,655.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,759.11 : 25,138.28 = 8,436.89 : x
  2. Step 2: Convert to fraction form
    16,759.11/25,138.28 = 8,436.89/x
  3. Step 3: Cross multiply
    16,759.11x = 25,138.28 × 8,436.89
  4. Step 4: Simplify right side
    16,759.11x = 212,088,939.63
  5. Step 5: Solve for x
    x = 212,088,939.63/16,759.11
  6. Step 6: Final answer
    x = 12,655.14

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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.