Home / 9,508.06-13,121.21-5,258.90

Finding the Fourth Proportional to 9,508.06, 13,121.21 and 5,258.90

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Solution

The fourth proportional to 9,508.06, 13,121.21 and 5,258.90 is: 7,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.06 : 13,121.21 = 5,258.90 : x
  2. Step 2: Convert to fraction form
    9,508.06/13,121.21 = 5,258.90/x
  3. Step 3: Cross multiply
    9,508.06x = 13,121.21 × 5,258.90
  4. Step 4: Simplify right side
    9,508.06x = 69,003,039.37
  5. Step 5: Solve for x
    x = 69,003,039.37/9,508.06
  6. Step 6: Final answer
    x = 7,257.32

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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.