Home / 11,538.80-17,308.58-3,641.39

Finding the Fourth Proportional to 11,538.80, 17,308.58 and 3,641.39

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Solution

The fourth proportional to 11,538.80, 17,308.58 and 3,641.39 is: 5,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.80 : 17,308.58 = 3,641.39 : x
  2. Step 2: Convert to fraction form
    11,538.80/17,308.58 = 3,641.39/x
  3. Step 3: Cross multiply
    11,538.80x = 17,308.58 × 3,641.39
  4. Step 4: Simplify right side
    11,538.80x = 63,027,290.13
  5. Step 5: Solve for x
    x = 63,027,290.13/11,538.80
  6. Step 6: Final answer
    x = 5,462.20

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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.