Home / 17,947.83-24,768.00-9,990.57

Finding the Fourth Proportional to 17,947.83, 24,768.00 and 9,990.57

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Solution

The fourth proportional to 17,947.83, 24,768.00 and 9,990.57 is: 13,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.83 : 24,768.00 = 9,990.57 : x
  2. Step 2: Convert to fraction form
    17,947.83/24,768.00 = 9,990.57/x
  3. Step 3: Cross multiply
    17,947.83x = 24,768.00 × 9,990.57
  4. Step 4: Simplify right side
    17,947.83x = 247,446,349.76
  5. Step 5: Solve for x
    x = 247,446,349.76/17,947.83
  6. Step 6: Final answer
    x = 13,786.98

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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.