Home / 19,321.38-26,660.48-10,822.86

Finding the Fourth Proportional to 19,321.38, 26,660.48 and 10,822.86

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Solution

The fourth proportional to 19,321.38, 26,660.48 and 10,822.86 is: 14,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.38 : 26,660.48 = 10,822.86 : x
  2. Step 2: Convert to fraction form
    19,321.38/26,660.48 = 10,822.86/x
  3. Step 3: Cross multiply
    19,321.38x = 26,660.48 × 10,822.86
  4. Step 4: Simplify right side
    19,321.38x = 288,542,588.46
  5. Step 5: Solve for x
    x = 288,542,588.46/19,321.38
  6. Step 6: Final answer
    x = 14,933.85

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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.