Home / 12,258.26-18,390.28-5,334.74

Finding the Fourth Proportional to 12,258.26, 18,390.28 and 5,334.74

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Solution

The fourth proportional to 12,258.26, 18,390.28 and 5,334.74 is: 8,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.26 : 18,390.28 = 5,334.74 : x
  2. Step 2: Convert to fraction form
    12,258.26/18,390.28 = 5,334.74/x
  3. Step 3: Cross multiply
    12,258.26x = 18,390.28 × 5,334.74
  4. Step 4: Simplify right side
    12,258.26x = 98,107,362.33
  5. Step 5: Solve for x
    x = 98,107,362.33/12,258.26
  6. Step 6: Final answer
    x = 8,003.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.