Home / 19,670.49-29,476.28-8,571.17

Finding the Fourth Proportional to 19,670.49, 29,476.28 and 8,571.17

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Solution

The fourth proportional to 19,670.49, 29,476.28 and 8,571.17 is: 12,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.49 : 29,476.28 = 8,571.17 : x
  2. Step 2: Convert to fraction form
    19,670.49/29,476.28 = 8,571.17/x
  3. Step 3: Cross multiply
    19,670.49x = 29,476.28 × 8,571.17
  4. Step 4: Simplify right side
    19,670.49x = 252,646,016.61
  5. Step 5: Solve for x
    x = 252,646,016.61/19,670.49
  6. Step 6: Final answer
    x = 12,843.91

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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.