Home / 11,366.12-15,685.25-6,331.31

Finding the Fourth Proportional to 11,366.12, 15,685.25 and 6,331.31

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Solution

The fourth proportional to 11,366.12, 15,685.25 and 6,331.31 is: 8,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.12 : 15,685.25 = 6,331.31 : x
  2. Step 2: Convert to fraction form
    11,366.12/15,685.25 = 6,331.31/x
  3. Step 3: Cross multiply
    11,366.12x = 15,685.25 × 6,331.31
  4. Step 4: Simplify right side
    11,366.12x = 99,308,180.18
  5. Step 5: Solve for x
    x = 99,308,180.18/11,366.12
  6. Step 6: Final answer
    x = 8,737.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.