Home / 12,159.43-18,236.50-3,274.54

Finding the Fourth Proportional to 12,159.43, 18,236.50 and 3,274.54

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Solution

The fourth proportional to 12,159.43, 18,236.50 and 3,274.54 is: 4,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159.43 : 18,236.50 = 3,274.54 : x
  2. Step 2: Convert to fraction form
    12,159.43/18,236.50 = 3,274.54/x
  3. Step 3: Cross multiply
    12,159.43x = 18,236.50 × 3,274.54
  4. Step 4: Simplify right side
    12,159.43x = 59,716,148.71
  5. Step 5: Solve for x
    x = 59,716,148.71/12,159.43
  6. Step 6: Final answer
    x = 4,911.10

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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.