Home / 13,221.49-19,832.30-4,456.48

Finding the Fourth Proportional to 13,221.49, 19,832.30 and 4,456.48

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Solution

The fourth proportional to 13,221.49, 19,832.30 and 4,456.48 is: 6,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221.49 : 19,832.30 = 4,456.48 : x
  2. Step 2: Convert to fraction form
    13,221.49/19,832.30 = 4,456.48/x
  3. Step 3: Cross multiply
    13,221.49x = 19,832.30 × 4,456.48
  4. Step 4: Simplify right side
    13,221.49x = 88,382,248.30
  5. Step 5: Solve for x
    x = 88,382,248.30/13,221.49
  6. Step 6: Final answer
    x = 6,684.74

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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.