Home / 19,404.10-29,084.55-8,308.90

Finding the Fourth Proportional to 19,404.10, 29,084.55 and 8,308.90

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Solution

The fourth proportional to 19,404.10, 29,084.55 and 8,308.90 is: 12,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404.10 : 29,084.55 = 8,308.90 : x
  2. Step 2: Convert to fraction form
    19,404.10/29,084.55 = 8,308.90/x
  3. Step 3: Cross multiply
    19,404.10x = 29,084.55 × 8,308.90
  4. Step 4: Simplify right side
    19,404.10x = 241,660,617.50
  5. Step 5: Solve for x
    x = 241,660,617.50/19,404.10
  6. Step 6: Final answer
    x = 12,454.10

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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.