Home / 11,727.66-17,591.72-4,328.31

Finding the Fourth Proportional to 11,727.66, 17,591.72 and 4,328.31

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Solution

The fourth proportional to 11,727.66, 17,591.72 and 4,328.31 is: 6,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.66 : 17,591.72 = 4,328.31 : x
  2. Step 2: Convert to fraction form
    11,727.66/17,591.72 = 4,328.31/x
  3. Step 3: Cross multiply
    11,727.66x = 17,591.72 × 4,328.31
  4. Step 4: Simplify right side
    11,727.66x = 76,142,395.95
  5. Step 5: Solve for x
    x = 76,142,395.95/11,727.66
  6. Step 6: Final answer
    x = 6,492.55

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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.