Home / 19,659.46-27,122.61-12,584.74

Finding the Fourth Proportional to 19,659.46, 27,122.61 and 12,584.74

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Solution

The fourth proportional to 19,659.46, 27,122.61 and 12,584.74 is: 17,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.46 : 27,122.61 = 12,584.74 : x
  2. Step 2: Convert to fraction form
    19,659.46/27,122.61 = 12,584.74/x
  3. Step 3: Cross multiply
    19,659.46x = 27,122.61 × 12,584.74
  4. Step 4: Simplify right side
    19,659.46x = 341,330,994.97
  5. Step 5: Solve for x
    x = 341,330,994.97/19,659.46
  6. Step 6: Final answer
    x = 17,362.18

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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.