Home / 9,508.25-13,121.39-5,316.50

Finding the Fourth Proportional to 9,508.25, 13,121.39 and 5,316.50

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Solution

The fourth proportional to 9,508.25, 13,121.39 and 5,316.50 is: 7,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.25 : 13,121.39 = 5,316.50 : x
  2. Step 2: Convert to fraction form
    9,508.25/13,121.39 = 5,316.50/x
  3. Step 3: Cross multiply
    9,508.25x = 13,121.39 × 5,316.50
  4. Step 4: Simplify right side
    9,508.25x = 69,759,869.94
  5. Step 5: Solve for x
    x = 69,759,869.94/9,508.25
  6. Step 6: Final answer
    x = 7,336.77

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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.