Home / 15,677.96-21,635.94-8,604.83

Finding the Fourth Proportional to 15,677.96, 21,635.94 and 8,604.83

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Solution

The fourth proportional to 15,677.96, 21,635.94 and 8,604.83 is: 11,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.96 : 21,635.94 = 8,604.83 : x
  2. Step 2: Convert to fraction form
    15,677.96/21,635.94 = 8,604.83/x
  3. Step 3: Cross multiply
    15,677.96x = 21,635.94 × 8,604.83
  4. Step 4: Simplify right side
    15,677.96x = 186,173,585.59
  5. Step 5: Solve for x
    x = 186,173,585.59/15,677.96
  6. Step 6: Final answer
    x = 11,874.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.