Home / 13,227.09-18,253.33-7,258.86

Finding the Fourth Proportional to 13,227.09, 18,253.33 and 7,258.86

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Solution

The fourth proportional to 13,227.09, 18,253.33 and 7,258.86 is: 10,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.09 : 18,253.33 = 7,258.86 : x
  2. Step 2: Convert to fraction form
    13,227.09/18,253.33 = 7,258.86/x
  3. Step 3: Cross multiply
    13,227.09x = 18,253.33 × 7,258.86
  4. Step 4: Simplify right side
    13,227.09x = 132,498,376.08
  5. Step 5: Solve for x
    x = 132,498,376.08/13,227.09
  6. Step 6: Final answer
    x = 10,017.20

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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.