Home / 12,460-17,194.80-6,871.36

Finding the Fourth Proportional to 12,460, 17,194.80 and 6,871.36

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Solution

The fourth proportional to 12,460, 17,194.80 and 6,871.36 is: 9,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460 : 17,194.80 = 6,871.36 : x
  2. Step 2: Convert to fraction form
    12,460/17,194.80 = 6,871.36/x
  3. Step 3: Cross multiply
    12,460x = 17,194.80 × 6,871.36
  4. Step 4: Simplify right side
    12,460x = 118,151,660.93
  5. Step 5: Solve for x
    x = 118,151,660.93/12,460
  6. Step 6: Final answer
    x = 9,482.48

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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.