Home / 19,860.60-27,398.94-12,304.92

Finding the Fourth Proportional to 19,860.60, 27,398.94 and 12,304.92

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Solution

The fourth proportional to 19,860.60, 27,398.94 and 12,304.92 is: 16,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.60 : 27,398.94 = 12,304.92 : x
  2. Step 2: Convert to fraction form
    19,860.60/27,398.94 = 12,304.92/x
  3. Step 3: Cross multiply
    19,860.60x = 27,398.94 × 12,304.92
  4. Step 4: Simplify right side
    19,860.60x = 337,141,764.78
  5. Step 5: Solve for x
    x = 337,141,764.78/19,860.60
  6. Step 6: Final answer
    x = 16,975.41

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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.