Home / 12,293.46-18,439.71-3,528.38

Finding the Fourth Proportional to 12,293.46, 18,439.71 and 3,528.38

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Solution

The fourth proportional to 12,293.46, 18,439.71 and 3,528.38 is: 5,292.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.46 : 18,439.71 = 3,528.38 : x
  2. Step 2: Convert to fraction form
    12,293.46/18,439.71 = 3,528.38/x
  3. Step 3: Cross multiply
    12,293.46x = 18,439.71 × 3,528.38
  4. Step 4: Simplify right side
    12,293.46x = 65,062,303.97
  5. Step 5: Solve for x
    x = 65,062,303.97/12,293.46
  6. Step 6: Final answer
    x = 5,292.43

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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.