Home / 9,721.82-14,579.09-7,666.04

Finding the Fourth Proportional to 9,721.82, 14,579.09 and 7,666.04

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Solution

The fourth proportional to 9,721.82, 14,579.09 and 7,666.04 is: 11,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.82 : 14,579.09 = 7,666.04 : x
  2. Step 2: Convert to fraction form
    9,721.82/14,579.09 = 7,666.04/x
  3. Step 3: Cross multiply
    9,721.82x = 14,579.09 × 7,666.04
  4. Step 4: Simplify right side
    9,721.82x = 111,763,913.97
  5. Step 5: Solve for x
    x = 111,763,913.97/9,721.82
  6. Step 6: Final answer
    x = 11,496.19

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1.5x scale

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.