Home / 19,422.36-29,135.44-7,732.86

Finding the Fourth Proportional to 19,422.36, 29,135.44 and 7,732.86

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Solution

The fourth proportional to 19,422.36, 29,135.44 and 7,732.86 is: 11,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.36 : 29,135.44 = 7,732.86 : x
  2. Step 2: Convert to fraction form
    19,422.36/29,135.44 = 7,732.86/x
  3. Step 3: Cross multiply
    19,422.36x = 29,135.44 × 7,732.86
  4. Step 4: Simplify right side
    19,422.36x = 225,300,278.56
  5. Step 5: Solve for x
    x = 225,300,278.56/19,422.36
  6. Step 6: Final answer
    x = 11,600.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.