Home / 12,392.46-18,587.34-3,627.45

Finding the Fourth Proportional to 12,392.46, 18,587.34 and 3,627.45

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Solution

The fourth proportional to 12,392.46, 18,587.34 and 3,627.45 is: 5,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.46 : 18,587.34 = 3,627.45 : x
  2. Step 2: Convert to fraction form
    12,392.46/18,587.34 = 3,627.45/x
  3. Step 3: Cross multiply
    12,392.46x = 18,587.34 × 3,627.45
  4. Step 4: Simplify right side
    12,392.46x = 67,424,646.48
  5. Step 5: Solve for x
    x = 67,424,646.48/12,392.46
  6. Step 6: Final answer
    x = 5,440.78

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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.