Home / 20,680.09-31,032.90-9,584.71

Finding the Fourth Proportional to 20,680.09, 31,032.90 and 9,584.71

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Solution

The fourth proportional to 20,680.09, 31,032.90 and 9,584.71 is: 14,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,680.09 : 31,032.90 = 9,584.71 : x
  2. Step 2: Convert to fraction form
    20,680.09/31,032.90 = 9,584.71/x
  3. Step 3: Cross multiply
    20,680.09x = 31,032.90 × 9,584.71
  4. Step 4: Simplify right side
    20,680.09x = 297,441,269.38
  5. Step 5: Solve for x
    x = 297,441,269.38/20,680.09
  6. Step 6: Final answer
    x = 14,382.98

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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.