Home / 19,272.39-28,909.42-6,630.85

Finding the Fourth Proportional to 19,272.39, 28,909.42 and 6,630.85

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Solution

The fourth proportional to 19,272.39, 28,909.42 and 6,630.85 is: 9,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.39 : 28,909.42 = 6,630.85 : x
  2. Step 2: Convert to fraction form
    19,272.39/28,909.42 = 6,630.85/x
  3. Step 3: Cross multiply
    19,272.39x = 28,909.42 × 6,630.85
  4. Step 4: Simplify right side
    19,272.39x = 191,694,027.61
  5. Step 5: Solve for x
    x = 191,694,027.61/19,272.39
  6. Step 6: Final answer
    x = 9,946.56

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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.