Home / 15,964.07-22,027.19-8,889.12

Finding the Fourth Proportional to 15,964.07, 22,027.19 and 8,889.12

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Solution

The fourth proportional to 15,964.07, 22,027.19 and 8,889.12 is: 12,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.07 : 22,027.19 = 8,889.12 : x
  2. Step 2: Convert to fraction form
    15,964.07/22,027.19 = 8,889.12/x
  3. Step 3: Cross multiply
    15,964.07x = 22,027.19 × 8,889.12
  4. Step 4: Simplify right side
    15,964.07x = 195,802,290.73
  5. Step 5: Solve for x
    x = 195,802,290.73/15,964.07
  6. Step 6: Final answer
    x = 12,265.19

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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.