Home / 11,629.76-17,439.21-5,392.71

Finding the Fourth Proportional to 11,629.76, 17,439.21 and 5,392.71

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Solution

The fourth proportional to 11,629.76, 17,439.21 and 5,392.71 is: 8,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.76 : 17,439.21 = 5,392.71 : x
  2. Step 2: Convert to fraction form
    11,629.76/17,439.21 = 5,392.71/x
  3. Step 3: Cross multiply
    11,629.76x = 17,439.21 × 5,392.71
  4. Step 4: Simplify right side
    11,629.76x = 94,044,602.16
  5. Step 5: Solve for x
    x = 94,044,602.16/11,629.76
  6. Step 6: Final answer
    x = 8,086.55

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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.