Home / 12,423.96-18,637.20-4,104

Finding the Fourth Proportional to 12,423.96, 18,637.20 and 4,104

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Solution

The fourth proportional to 12,423.96, 18,637.20 and 4,104 is: 6,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.96 : 18,637.20 = 4,104 : x
  2. Step 2: Convert to fraction form
    12,423.96/18,637.20 = 4,104/x
  3. Step 3: Cross multiply
    12,423.96x = 18,637.20 × 4,104
  4. Step 4: Simplify right side
    12,423.96x = 76,487,068.80
  5. Step 5: Solve for x
    x = 76,487,068.80/12,423.96
  6. Step 6: Final answer
    x = 6,156.42

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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.