Home / 13,008.92-19,511.18-3,646.79

Finding the Fourth Proportional to 13,008.92, 19,511.18 and 3,646.79

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Solution

The fourth proportional to 13,008.92, 19,511.18 and 3,646.79 is: 5,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.92 : 19,511.18 = 3,646.79 : x
  2. Step 2: Convert to fraction form
    13,008.92/19,511.18 = 3,646.79/x
  3. Step 3: Cross multiply
    13,008.92x = 19,511.18 × 3,646.79
  4. Step 4: Simplify right side
    13,008.92x = 71,153,060.32
  5. Step 5: Solve for x
    x = 71,153,060.32/13,008.92
  6. Step 6: Final answer
    x = 5,469.56

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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.