Home / 9,508.31-13,121.19-5,259.54

Finding the Fourth Proportional to 9,508.31, 13,121.19 and 5,259.54

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Solution

The fourth proportional to 9,508.31, 13,121.19 and 5,259.54 is: 7,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.31 : 13,121.19 = 5,259.54 : x
  2. Step 2: Convert to fraction form
    9,508.31/13,121.19 = 5,259.54/x
  3. Step 3: Cross multiply
    9,508.31x = 13,121.19 × 5,259.54
  4. Step 4: Simplify right side
    9,508.31x = 69,011,423.65
  5. Step 5: Solve for x
    x = 69,011,423.65/9,508.31
  6. Step 6: Final answer
    x = 7,258.01

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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.