Home / 13,258.92-18,297.30-7,290.68

Finding the Fourth Proportional to 13,258.92, 18,297.30 and 7,290.68

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Solution

The fourth proportional to 13,258.92, 18,297.30 and 7,290.68 is: 10,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.92 : 18,297.30 = 7,290.68 : x
  2. Step 2: Convert to fraction form
    13,258.92/18,297.30 = 7,290.68/x
  3. Step 3: Cross multiply
    13,258.92x = 18,297.30 × 7,290.68
  4. Step 4: Simplify right side
    13,258.92x = 133,399,759.16
  5. Step 5: Solve for x
    x = 133,399,759.16/13,258.92
  6. Step 6: Final answer
    x = 10,061.13

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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.