Home / 12,341.43-18,512.34-3,576.39

Finding the Fourth Proportional to 12,341.43, 18,512.34 and 3,576.39

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Solution

The fourth proportional to 12,341.43, 18,512.34 and 3,576.39 is: 5,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.43 : 18,512.34 = 3,576.39 : x
  2. Step 2: Convert to fraction form
    12,341.43/18,512.34 = 3,576.39/x
  3. Step 3: Cross multiply
    12,341.43x = 18,512.34 × 3,576.39
  4. Step 4: Simplify right side
    12,341.43x = 66,207,347.65
  5. Step 5: Solve for x
    x = 66,207,347.65/12,341.43
  6. Step 6: Final answer
    x = 5,364.64

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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.