Home / 17,947.73-24,768.69-9,990.46

Finding the Fourth Proportional to 17,947.73, 24,768.69 and 9,990.46

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Solution

The fourth proportional to 17,947.73, 24,768.69 and 9,990.46 is: 13,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.73 : 24,768.69 = 9,990.46 : x
  2. Step 2: Convert to fraction form
    17,947.73/24,768.69 = 9,990.46/x
  3. Step 3: Cross multiply
    17,947.73x = 24,768.69 × 9,990.46
  4. Step 4: Simplify right side
    17,947.73x = 247,450,600.19
  5. Step 5: Solve for x
    x = 247,450,600.19/17,947.73
  6. Step 6: Final answer
    x = 13,787.29

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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.