Home / 20,684.23-28,545.73-11,732.51

Finding the Fourth Proportional to 20,684.23, 28,545.73 and 11,732.51

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Solution

The fourth proportional to 20,684.23, 28,545.73 and 11,732.51 is: 16,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684.23 : 28,545.73 = 11,732.51 : x
  2. Step 2: Convert to fraction form
    20,684.23/28,545.73 = 11,732.51/x
  3. Step 3: Cross multiply
    20,684.23x = 28,545.73 × 11,732.51
  4. Step 4: Simplify right side
    20,684.23x = 334,913,104.72
  5. Step 5: Solve for x
    x = 334,913,104.72/20,684.23
  6. Step 6: Final answer
    x = 16,191.71

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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.