Home / 17,947.52-24,768.08-9,990.56

Finding the Fourth Proportional to 17,947.52, 24,768.08 and 9,990.56

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Solution

The fourth proportional to 17,947.52, 24,768.08 and 9,990.56 is: 13,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.52 : 24,768.08 = 9,990.56 : x
  2. Step 2: Convert to fraction form
    17,947.52/24,768.08 = 9,990.56/x
  3. Step 3: Cross multiply
    17,947.52x = 24,768.08 × 9,990.56
  4. Step 4: Simplify right side
    17,947.52x = 247,446,989.32
  5. Step 5: Solve for x
    x = 247,446,989.32/17,947.52
  6. Step 6: Final answer
    x = 13,787.25

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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.