Home / 18,258.03-27,387.73-5,110.06

Finding the Fourth Proportional to 18,258.03, 27,387.73 and 5,110.06

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Solution

The fourth proportional to 18,258.03, 27,387.73 and 5,110.06 is: 7,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.03 : 27,387.73 = 5,110.06 : x
  2. Step 2: Convert to fraction form
    18,258.03/27,387.73 = 5,110.06/x
  3. Step 3: Cross multiply
    18,258.03x = 27,387.73 × 5,110.06
  4. Step 4: Simplify right side
    18,258.03x = 139,952,862.32
  5. Step 5: Solve for x
    x = 139,952,862.32/18,258.03
  6. Step 6: Final answer
    x = 7,665.28

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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.