Home / 19,422.05-29,133.11-8,321.54

Finding the Fourth Proportional to 19,422.05, 29,133.11 and 8,321.54

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Solution

The fourth proportional to 19,422.05, 29,133.11 and 8,321.54 is: 12,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.05 : 29,133.11 = 8,321.54 : x
  2. Step 2: Convert to fraction form
    19,422.05/29,133.11 = 8,321.54/x
  3. Step 3: Cross multiply
    19,422.05x = 29,133.11 × 8,321.54
  4. Step 4: Simplify right side
    19,422.05x = 242,432,298.58
  5. Step 5: Solve for x
    x = 242,432,298.58/19,422.05
  6. Step 6: Final answer
    x = 12,482.32

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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.