Home / 14,661.47-21,950.26-9,721.28

Finding the Fourth Proportional to 14,661.47, 21,950.26 and 9,721.28

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Solution

The fourth proportional to 14,661.47, 21,950.26 and 9,721.28 is: 14,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.47 : 21,950.26 = 9,721.28 : x
  2. Step 2: Convert to fraction form
    14,661.47/21,950.26 = 9,721.28/x
  3. Step 3: Cross multiply
    14,661.47x = 21,950.26 × 9,721.28
  4. Step 4: Simplify right side
    14,661.47x = 213,384,654.11
  5. Step 5: Solve for x
    x = 213,384,654.11/14,661.47
  6. Step 6: Final answer
    x = 14,554.11

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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.