Home / 17,643.80-24,349.32-9,685.96

Finding the Fourth Proportional to 17,643.80, 24,349.32 and 9,685.96

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Solution

The fourth proportional to 17,643.80, 24,349.32 and 9,685.96 is: 13,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.80 : 24,349.32 = 9,685.96 : x
  2. Step 2: Convert to fraction form
    17,643.80/24,349.32 = 9,685.96/x
  3. Step 3: Cross multiply
    17,643.80x = 24,349.32 × 9,685.96
  4. Step 4: Simplify right side
    17,643.80x = 235,846,539.55
  5. Step 5: Solve for x
    x = 235,846,539.55/17,643.80
  6. Step 6: Final answer
    x = 13,367.11

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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.