Home / 13,008.38-19,511.88-3,649.04

Finding the Fourth Proportional to 13,008.38, 19,511.88 and 3,649.04

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Solution

The fourth proportional to 13,008.38, 19,511.88 and 3,649.04 is: 5,473.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.38 : 19,511.88 = 3,649.04 : x
  2. Step 2: Convert to fraction form
    13,008.38/19,511.88 = 3,649.04/x
  3. Step 3: Cross multiply
    13,008.38x = 19,511.88 × 3,649.04
  4. Step 4: Simplify right side
    13,008.38x = 71,199,621.47
  5. Step 5: Solve for x
    x = 71,199,621.47/13,008.38
  6. Step 6: Final answer
    x = 5,473.37

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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.