Home / 14,646.29-21,976.25-5,290.11

Finding the Fourth Proportional to 14,646.29, 21,976.25 and 5,290.11

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Solution

The fourth proportional to 14,646.29, 21,976.25 and 5,290.11 is: 7,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.29 : 21,976.25 = 5,290.11 : x
  2. Step 2: Convert to fraction form
    14,646.29/21,976.25 = 5,290.11/x
  3. Step 3: Cross multiply
    14,646.29x = 21,976.25 × 5,290.11
  4. Step 4: Simplify right side
    14,646.29x = 116,256,753.44
  5. Step 5: Solve for x
    x = 116,256,753.44/14,646.29
  6. Step 6: Final answer
    x = 7,937.63

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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.