Home / 20,182.91-27,852.54-11,230.79

Finding the Fourth Proportional to 20,182.91, 27,852.54 and 11,230.79

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Solution

The fourth proportional to 20,182.91, 27,852.54 and 11,230.79 is: 15,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.91 : 27,852.54 = 11,230.79 : x
  2. Step 2: Convert to fraction form
    20,182.91/27,852.54 = 11,230.79/x
  3. Step 3: Cross multiply
    20,182.91x = 27,852.54 × 11,230.79
  4. Step 4: Simplify right side
    20,182.91x = 312,806,027.71
  5. Step 5: Solve for x
    x = 312,806,027.71/20,182.91
  6. Step 6: Final answer
    x = 15,498.56

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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.