Home / 19,321.20-26,659.26-11,357.82

Finding the Fourth Proportional to 19,321.20, 26,659.26 and 11,357.82

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Solution

The fourth proportional to 19,321.20, 26,659.26 and 11,357.82 is: 15,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.20 : 26,659.26 = 11,357.82 : x
  2. Step 2: Convert to fraction form
    19,321.20/26,659.26 = 11,357.82/x
  3. Step 3: Cross multiply
    19,321.20x = 26,659.26 × 11,357.82
  4. Step 4: Simplify right side
    19,321.20x = 302,791,076.41
  5. Step 5: Solve for x
    x = 302,791,076.41/19,321.20
  6. Step 6: Final answer
    x = 15,671.44

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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.