Home / 11,539.80-17,310.08-3,642.39

Finding the Fourth Proportional to 11,539.80, 17,310.08 and 3,642.39

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Solution

The fourth proportional to 11,539.80, 17,310.08 and 3,642.39 is: 5,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.80 : 17,310.08 = 3,642.39 : x
  2. Step 2: Convert to fraction form
    11,539.80/17,310.08 = 3,642.39/x
  3. Step 3: Cross multiply
    11,539.80x = 17,310.08 × 3,642.39
  4. Step 4: Simplify right side
    11,539.80x = 63,050,062.29
  5. Step 5: Solve for x
    x = 63,050,062.29/11,539.80
  6. Step 6: Final answer
    x = 5,463.70

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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.