Home / 19,934.28-27,508.56-11,980.92

Finding the Fourth Proportional to 19,934.28, 27,508.56 and 11,980.92

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Solution

The fourth proportional to 19,934.28, 27,508.56 and 11,980.92 is: 16,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.28 : 27,508.56 = 11,980.92 : x
  2. Step 2: Convert to fraction form
    19,934.28/27,508.56 = 11,980.92/x
  3. Step 3: Cross multiply
    19,934.28x = 27,508.56 × 11,980.92
  4. Step 4: Simplify right side
    19,934.28x = 329,577,856.68
  5. Step 5: Solve for x
    x = 329,577,856.68/19,934.28
  6. Step 6: Final answer
    x = 16,533.22

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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.