Home / 16,941.39-23,379.12-9,489.39

Finding the Fourth Proportional to 16,941.39, 23,379.12 and 9,489.39

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Solution

The fourth proportional to 16,941.39, 23,379.12 and 9,489.39 is: 13,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.39 : 23,379.12 = 9,489.39 : x
  2. Step 2: Convert to fraction form
    16,941.39/23,379.12 = 9,489.39/x
  3. Step 3: Cross multiply
    16,941.39x = 23,379.12 × 9,489.39
  4. Step 4: Simplify right side
    16,941.39x = 221,853,587.54
  5. Step 5: Solve for x
    x = 221,853,587.54/16,941.39
  6. Step 6: Final answer
    x = 13,095.36

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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.