Home / 19,754.97-27,258.88-11,140.77

Finding the Fourth Proportional to 19,754.97, 27,258.88 and 11,140.77

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Solution

The fourth proportional to 19,754.97, 27,258.88 and 11,140.77 is: 15,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.97 : 27,258.88 = 11,140.77 : x
  2. Step 2: Convert to fraction form
    19,754.97/27,258.88 = 11,140.77/x
  3. Step 3: Cross multiply
    19,754.97x = 27,258.88 × 11,140.77
  4. Step 4: Simplify right side
    19,754.97x = 303,684,856.83
  5. Step 5: Solve for x
    x = 303,684,856.83/19,754.97
  6. Step 6: Final answer
    x = 15,372.58

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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.