Home / 19,976.21-27,567.14-11,023.71

Finding the Fourth Proportional to 19,976.21, 27,567.14 and 11,023.71

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Solution

The fourth proportional to 19,976.21, 27,567.14 and 11,023.71 is: 15,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.21 : 27,567.14 = 11,023.71 : x
  2. Step 2: Convert to fraction form
    19,976.21/27,567.14 = 11,023.71/x
  3. Step 3: Cross multiply
    19,976.21x = 27,567.14 × 11,023.71
  4. Step 4: Simplify right side
    19,976.21x = 303,892,101.77
  5. Step 5: Solve for x
    x = 303,892,101.77/19,976.21
  6. Step 6: Final answer
    x = 15,212.70

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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.