Home / 19,650.74-27,118.84-11,268.86

Finding the Fourth Proportional to 19,650.74, 27,118.84 and 11,268.86

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Solution

The fourth proportional to 19,650.74, 27,118.84 and 11,268.86 is: 15,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.74 : 27,118.84 = 11,268.86 : x
  2. Step 2: Convert to fraction form
    19,650.74/27,118.84 = 11,268.86/x
  3. Step 3: Cross multiply
    19,650.74x = 27,118.84 × 11,268.86
  4. Step 4: Simplify right side
    19,650.74x = 305,598,411.32
  5. Step 5: Solve for x
    x = 305,598,411.32/19,650.74
  6. Step 6: Final answer
    x = 15,551.50

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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.