Home / 19,336.90-29,006.70-7,648.60

Finding the Fourth Proportional to 19,336.90, 29,006.70 and 7,648.60

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Solution

The fourth proportional to 19,336.90, 29,006.70 and 7,648.60 is: 11,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.90 : 29,006.70 = 7,648.60 : x
  2. Step 2: Convert to fraction form
    19,336.90/29,006.70 = 7,648.60/x
  3. Step 3: Cross multiply
    19,336.90x = 29,006.70 × 7,648.60
  4. Step 4: Simplify right side
    19,336.90x = 221,860,645.62
  5. Step 5: Solve for x
    x = 221,860,645.62/19,336.90
  6. Step 6: Final answer
    x = 11,473.43

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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.