Home / 21,068.05-29,073.93-11,636.62

Finding the Fourth Proportional to 21,068.05, 29,073.93 and 11,636.62

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Solution

The fourth proportional to 21,068.05, 29,073.93 and 11,636.62 is: 16,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068.05 : 29,073.93 = 11,636.62 : x
  2. Step 2: Convert to fraction form
    21,068.05/29,073.93 = 11,636.62/x
  3. Step 3: Cross multiply
    21,068.05x = 29,073.93 × 11,636.62
  4. Step 4: Simplify right side
    21,068.05x = 338,322,275.32
  5. Step 5: Solve for x
    x = 338,322,275.32/21,068.05
  6. Step 6: Final answer
    x = 16,058.55

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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.