Home / 19,723.60-27,216.12-11,226.82

Finding the Fourth Proportional to 19,723.60, 27,216.12 and 11,226.82

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Solution

The fourth proportional to 19,723.60, 27,216.12 and 11,226.82 is: 15,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.60 : 27,216.12 = 11,226.82 : x
  2. Step 2: Convert to fraction form
    19,723.60/27,216.12 = 11,226.82/x
  3. Step 3: Cross multiply
    19,723.60x = 27,216.12 × 11,226.82
  4. Step 4: Simplify right side
    19,723.60x = 305,550,480.34
  5. Step 5: Solve for x
    x = 305,550,480.34/19,723.60
  6. Step 6: Final answer
    x = 15,491.62

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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.