Home / 13,258.50-18,297.17-7,290.60

Finding the Fourth Proportional to 13,258.50, 18,297.17 and 7,290.60

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Solution

The fourth proportional to 13,258.50, 18,297.17 and 7,290.60 is: 10,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.50 : 18,297.17 = 7,290.60 : x
  2. Step 2: Convert to fraction form
    13,258.50/18,297.17 = 7,290.60/x
  3. Step 3: Cross multiply
    13,258.50x = 18,297.17 × 7,290.60
  4. Step 4: Simplify right side
    13,258.50x = 133,397,311.15
  5. Step 5: Solve for x
    x = 133,397,311.15/13,258.50
  6. Step 6: Final answer
    x = 10,061.27

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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.