Home / 21,806.46-30,094.07-12,374.82

Finding the Fourth Proportional to 21,806.46, 30,094.07 and 12,374.82

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Solution

The fourth proportional to 21,806.46, 30,094.07 and 12,374.82 is: 17,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806.46 : 30,094.07 = 12,374.82 : x
  2. Step 2: Convert to fraction form
    21,806.46/30,094.07 = 12,374.82/x
  3. Step 3: Cross multiply
    21,806.46x = 30,094.07 × 12,374.82
  4. Step 4: Simplify right side
    21,806.46x = 372,408,637.44
  5. Step 5: Solve for x
    x = 372,408,637.44/21,806.46
  6. Step 6: Final answer
    x = 17,077.90

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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.