Home / 15,383.73-21,229.83-9,014.91

Finding the Fourth Proportional to 15,383.73, 21,229.83 and 9,014.91

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Solution

The fourth proportional to 15,383.73, 21,229.83 and 9,014.91 is: 12,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.73 : 21,229.83 = 9,014.91 : x
  2. Step 2: Convert to fraction form
    15,383.73/21,229.83 = 9,014.91/x
  3. Step 3: Cross multiply
    15,383.73x = 21,229.83 × 9,014.91
  4. Step 4: Simplify right side
    15,383.73x = 191,384,927.15
  5. Step 5: Solve for x
    x = 191,384,927.15/15,383.73
  6. Step 6: Final answer
    x = 12,440.73

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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.