Home / 21,112.26-31,682.52-11,258.34

Finding the Fourth Proportional to 21,112.26, 31,682.52 and 11,258.34

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Solution

The fourth proportional to 21,112.26, 31,682.52 and 11,258.34 is: 16,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,112.26 : 31,682.52 = 11,258.34 : x
  2. Step 2: Convert to fraction form
    21,112.26/31,682.52 = 11,258.34/x
  3. Step 3: Cross multiply
    21,112.26x = 31,682.52 × 11,258.34
  4. Step 4: Simplify right side
    21,112.26x = 356,692,582.22
  5. Step 5: Solve for x
    x = 356,692,582.22/21,112.26
  6. Step 6: Final answer
    x = 16,895.04

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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.