Home / 15,999.57-22,076.66-9,283.65

Finding the Fourth Proportional to 15,999.57, 22,076.66 and 9,283.65

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Solution

The fourth proportional to 15,999.57, 22,076.66 and 9,283.65 is: 12,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.57 : 22,076.66 = 9,283.65 : x
  2. Step 2: Convert to fraction form
    15,999.57/22,076.66 = 9,283.65/x
  3. Step 3: Cross multiply
    15,999.57x = 22,076.66 × 9,283.65
  4. Step 4: Simplify right side
    15,999.57x = 204,951,938.19
  5. Step 5: Solve for x
    x = 204,951,938.19/15,999.57
  6. Step 6: Final answer
    x = 12,809.84

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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.