Home / 19,485.92-26,892.32-11,102.88

Finding the Fourth Proportional to 19,485.92, 26,892.32 and 11,102.88

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Solution

The fourth proportional to 19,485.92, 26,892.32 and 11,102.88 is: 15,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,485.92 : 26,892.32 = 11,102.88 : x
  2. Step 2: Convert to fraction form
    19,485.92/26,892.32 = 11,102.88/x
  3. Step 3: Cross multiply
    19,485.92x = 26,892.32 × 11,102.88
  4. Step 4: Simplify right side
    19,485.92x = 298,582,201.88
  5. Step 5: Solve for x
    x = 298,582,201.88/19,485.92
  6. Step 6: Final answer
    x = 15,322.97

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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.