Home / 21,446.52-32,174.40-10,918.08

Finding the Fourth Proportional to 21,446.52, 32,174.40 and 10,918.08

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Solution

The fourth proportional to 21,446.52, 32,174.40 and 10,918.08 is: 16,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.52 : 32,174.40 = 10,918.08 : x
  2. Step 2: Convert to fraction form
    21,446.52/32,174.40 = 10,918.08/x
  3. Step 3: Cross multiply
    21,446.52x = 32,174.40 × 10,918.08
  4. Step 4: Simplify right side
    21,446.52x = 351,282,673.15
  5. Step 5: Solve for x
    x = 351,282,673.15/21,446.52
  6. Step 6: Final answer
    x = 16,379.47

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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.