Home / 15,617.82-21,552.32-9,567.12

Finding the Fourth Proportional to 15,617.82, 21,552.32 and 9,567.12

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Solution

The fourth proportional to 15,617.82, 21,552.32 and 9,567.12 is: 13,202.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.82 : 21,552.32 = 9,567.12 : x
  2. Step 2: Convert to fraction form
    15,617.82/21,552.32 = 9,567.12/x
  3. Step 3: Cross multiply
    15,617.82x = 21,552.32 × 9,567.12
  4. Step 4: Simplify right side
    15,617.82x = 206,193,700.58
  5. Step 5: Solve for x
    x = 206,193,700.58/15,617.82
  6. Step 6: Final answer
    x = 13,202.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.