Home / 19,329.40-29,004.90-8,234.20

Finding the Fourth Proportional to 19,329.40, 29,004.90 and 8,234.20

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Solution

The fourth proportional to 19,329.40, 29,004.90 and 8,234.20 is: 12,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.40 : 29,004.90 = 8,234.20 : x
  2. Step 2: Convert to fraction form
    19,329.40/29,004.90 = 8,234.20/x
  3. Step 3: Cross multiply
    19,329.40x = 29,004.90 × 8,234.20
  4. Step 4: Simplify right side
    19,329.40x = 238,832,147.58
  5. Step 5: Solve for x
    x = 238,832,147.58/19,329.40
  6. Step 6: Final answer
    x = 12,355.90

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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.