Home / 16,945.04-23,381.82-9,866

Finding the Fourth Proportional to 16,945.04, 23,381.82 and 9,866

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Solution

The fourth proportional to 16,945.04, 23,381.82 and 9,866 is: 13,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.04 : 23,381.82 = 9,866 : x
  2. Step 2: Convert to fraction form
    16,945.04/23,381.82 = 9,866/x
  3. Step 3: Cross multiply
    16,945.04x = 23,381.82 × 9,866
  4. Step 4: Simplify right side
    16,945.04x = 230,685,036.12
  5. Step 5: Solve for x
    x = 230,685,036.12/16,945.04
  6. Step 6: Final answer
    x = 13,613.72

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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.