Home / 12,832.31-17,706.79-7,166.27

Finding the Fourth Proportional to 12,832.31, 17,706.79 and 7,166.27

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Solution

The fourth proportional to 12,832.31, 17,706.79 and 7,166.27 is: 9,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,832.31 : 17,706.79 = 7,166.27 : x
  2. Step 2: Convert to fraction form
    12,832.31/17,706.79 = 7,166.27/x
  3. Step 3: Cross multiply
    12,832.31x = 17,706.79 × 7,166.27
  4. Step 4: Simplify right side
    12,832.31x = 126,891,637.97
  5. Step 5: Solve for x
    x = 126,891,637.97/12,832.31
  6. Step 6: Final answer
    x = 9,888.45

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1.5x scale

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.