Home / 9,863.44-13,611.66-5,387.32

Finding the Fourth Proportional to 9,863.44, 13,611.66 and 5,387.32

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Solution

The fourth proportional to 9,863.44, 13,611.66 and 5,387.32 is: 7,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.44 : 13,611.66 = 5,387.32 : x
  2. Step 2: Convert to fraction form
    9,863.44/13,611.66 = 5,387.32/x
  3. Step 3: Cross multiply
    9,863.44x = 13,611.66 × 5,387.32
  4. Step 4: Simplify right side
    9,863.44x = 73,330,368.15
  5. Step 5: Solve for x
    x = 73,330,368.15/9,863.44
  6. Step 6: Final answer
    x = 7,434.56

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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.