Home / 11,366.35-15,685.80-6,331.47

Finding the Fourth Proportional to 11,366.35, 15,685.80 and 6,331.47

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Solution

The fourth proportional to 11,366.35, 15,685.80 and 6,331.47 is: 8,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.35 : 15,685.80 = 6,331.47 : x
  2. Step 2: Convert to fraction form
    11,366.35/15,685.80 = 6,331.47/x
  3. Step 3: Cross multiply
    11,366.35x = 15,685.80 × 6,331.47
  4. Step 4: Simplify right side
    11,366.35x = 99,314,172.13
  5. Step 5: Solve for x
    x = 99,314,172.13/11,366.35
  6. Step 6: Final answer
    x = 8,737.56

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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.