Home / 12,274.39-18,411.59-3,389.43

Finding the Fourth Proportional to 12,274.39, 18,411.59 and 3,389.43

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Solution

The fourth proportional to 12,274.39, 18,411.59 and 3,389.43 is: 5,084.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.39 : 18,411.59 = 3,389.43 : x
  2. Step 2: Convert to fraction form
    12,274.39/18,411.59 = 3,389.43/x
  3. Step 3: Cross multiply
    12,274.39x = 18,411.59 × 3,389.43
  4. Step 4: Simplify right side
    12,274.39x = 62,404,821.23
  5. Step 5: Solve for x
    x = 62,404,821.23/12,274.39
  6. Step 6: Final answer
    x = 5,084.15

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1.5x scale

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.