Home / 21,048.62-29,046.65-11,488.19

Finding the Fourth Proportional to 21,048.62, 29,046.65 and 11,488.19

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Solution

The fourth proportional to 21,048.62, 29,046.65 and 11,488.19 is: 15,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.62 : 29,046.65 = 11,488.19 : x
  2. Step 2: Convert to fraction form
    21,048.62/29,046.65 = 11,488.19/x
  3. Step 3: Cross multiply
    21,048.62x = 29,046.65 × 11,488.19
  4. Step 4: Simplify right side
    21,048.62x = 333,693,231.39
  5. Step 5: Solve for x
    x = 333,693,231.39/21,048.62
  6. Step 6: Final answer
    x = 15,853.45

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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.