Home / 19,470.24-29,179.98-8,936.46

Finding the Fourth Proportional to 19,470.24, 29,179.98 and 8,936.46

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Solution

The fourth proportional to 19,470.24, 29,179.98 and 8,936.46 is: 13,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.24 : 29,179.98 = 8,936.46 : x
  2. Step 2: Convert to fraction form
    19,470.24/29,179.98 = 8,936.46/x
  3. Step 3: Cross multiply
    19,470.24x = 29,179.98 × 8,936.46
  4. Step 4: Simplify right side
    19,470.24x = 260,765,724.07
  5. Step 5: Solve for x
    x = 260,765,724.07/19,470.24
  6. Step 6: Final answer
    x = 13,393.04

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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.