Home / 19,638.75-29,451.53-6,308.48

Finding the Fourth Proportional to 19,638.75, 29,451.53 and 6,308.48

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Solution

The fourth proportional to 19,638.75, 29,451.53 and 6,308.48 is: 9,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638.75 : 29,451.53 = 6,308.48 : x
  2. Step 2: Convert to fraction form
    19,638.75/29,451.53 = 6,308.48/x
  3. Step 3: Cross multiply
    19,638.75x = 29,451.53 × 6,308.48
  4. Step 4: Simplify right side
    19,638.75x = 185,794,319.62
  5. Step 5: Solve for x
    x = 185,794,319.62/19,638.75
  6. Step 6: Final answer
    x = 9,460.60

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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.