Home / 13,221.93-19,832.96-4,456.92

Finding the Fourth Proportional to 13,221.93, 19,832.96 and 4,456.92

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Solution

The fourth proportional to 13,221.93, 19,832.96 and 4,456.92 is: 6,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221.93 : 19,832.96 = 4,456.92 : x
  2. Step 2: Convert to fraction form
    13,221.93/19,832.96 = 4,456.92/x
  3. Step 3: Cross multiply
    13,221.93x = 19,832.96 × 4,456.92
  4. Step 4: Simplify right side
    13,221.93x = 88,393,893.80
  5. Step 5: Solve for x
    x = 88,393,893.80/13,221.93
  6. Step 6: Final answer
    x = 6,685.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.