Home / 23,150.57-31,947.62-12,539.97

Finding the Fourth Proportional to 23,150.57, 31,947.62 and 12,539.97

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Solution

The fourth proportional to 23,150.57, 31,947.62 and 12,539.97 is: 17,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,150.57 : 31,947.62 = 12,539.97 : x
  2. Step 2: Convert to fraction form
    23,150.57/31,947.62 = 12,539.97/x
  3. Step 3: Cross multiply
    23,150.57x = 31,947.62 × 12,539.97
  4. Step 4: Simplify right side
    23,150.57x = 400,622,133.67
  5. Step 5: Solve for x
    x = 400,622,133.67/23,150.57
  6. Step 6: Final answer
    x = 17,305.07

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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.