Home / 16,983.86-25,428.56-8,645.93

Finding the Fourth Proportional to 16,983.86, 25,428.56 and 8,645.93

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Solution

The fourth proportional to 16,983.86, 25,428.56 and 8,645.93 is: 12,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.86 : 25,428.56 = 8,645.93 : x
  2. Step 2: Convert to fraction form
    16,983.86/25,428.56 = 8,645.93/x
  3. Step 3: Cross multiply
    16,983.86x = 25,428.56 × 8,645.93
  4. Step 4: Simplify right side
    16,983.86x = 219,853,379.39
  5. Step 5: Solve for x
    x = 219,853,379.39/16,983.86
  6. Step 6: Final answer
    x = 12,944.85

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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.