Home / 9,508.41-13,121.36-5,259.65

Finding the Fourth Proportional to 9,508.41, 13,121.36 and 5,259.65

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Solution

The fourth proportional to 9,508.41, 13,121.36 and 5,259.65 is: 7,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.41 : 13,121.36 = 5,259.65 : x
  2. Step 2: Convert to fraction form
    9,508.41/13,121.36 = 5,259.65/x
  3. Step 3: Cross multiply
    9,508.41x = 13,121.36 × 5,259.65
  4. Step 4: Simplify right side
    9,508.41x = 69,013,669.22
  5. Step 5: Solve for x
    x = 69,013,669.22/9,508.41
  6. Step 6: Final answer
    x = 7,258.17

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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.