Home / 15,335.73-21,162.24-8,622.36

Finding the Fourth Proportional to 15,335.73, 21,162.24 and 8,622.36

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Solution

The fourth proportional to 15,335.73, 21,162.24 and 8,622.36 is: 11,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.73 : 21,162.24 = 8,622.36 : x
  2. Step 2: Convert to fraction form
    15,335.73/21,162.24 = 8,622.36/x
  3. Step 3: Cross multiply
    15,335.73x = 21,162.24 × 8,622.36
  4. Step 4: Simplify right side
    15,335.73x = 182,468,451.69
  5. Step 5: Solve for x
    x = 182,468,451.69/15,335.73
  6. Step 6: Final answer
    x = 11,898.26

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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.