Home / 10,531.80-15,795.97-3,511.19

Finding the Fourth Proportional to 10,531.80, 15,795.97 and 3,511.19

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Solution

The fourth proportional to 10,531.80, 15,795.97 and 3,511.19 is: 5,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.80 : 15,795.97 = 3,511.19 : x
  2. Step 2: Convert to fraction form
    10,531.80/15,795.97 = 3,511.19/x
  3. Step 3: Cross multiply
    10,531.80x = 15,795.97 × 3,511.19
  4. Step 4: Simplify right side
    10,531.80x = 55,462,651.90
  5. Step 5: Solve for x
    x = 55,462,651.90/10,531.80
  6. Step 6: Final answer
    x = 5,266.21

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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.