Home / 13,228.26-18,258.89-7,566.23

Finding the Fourth Proportional to 13,228.26, 18,258.89 and 7,566.23

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Solution

The fourth proportional to 13,228.26, 18,258.89 and 7,566.23 is: 10,443.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.26 : 18,258.89 = 7,566.23 : x
  2. Step 2: Convert to fraction form
    13,228.26/18,258.89 = 7,566.23/x
  3. Step 3: Cross multiply
    13,228.26x = 18,258.89 × 7,566.23
  4. Step 4: Simplify right side
    13,228.26x = 138,150,832.16
  5. Step 5: Solve for x
    x = 138,150,832.16/13,228.26
  6. Step 6: Final answer
    x = 10,443.61

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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.