Home / 13,226.54-18,252.32-7,258.16

Finding the Fourth Proportional to 13,226.54, 18,252.32 and 7,258.16

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Solution

The fourth proportional to 13,226.54, 18,252.32 and 7,258.16 is: 10,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.54 : 18,252.32 = 7,258.16 : x
  2. Step 2: Convert to fraction form
    13,226.54/18,252.32 = 7,258.16/x
  3. Step 3: Cross multiply
    13,226.54x = 18,252.32 × 7,258.16
  4. Step 4: Simplify right side
    13,226.54x = 132,478,258.93
  5. Step 5: Solve for x
    x = 132,478,258.93/13,226.54
  6. Step 6: Final answer
    x = 10,016.09

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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.