Home / 19,213.50-28,795.14-9,845.58

Finding the Fourth Proportional to 19,213.50, 28,795.14 and 9,845.58

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Solution

The fourth proportional to 19,213.50, 28,795.14 and 9,845.58 is: 14,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.50 : 28,795.14 = 9,845.58 : x
  2. Step 2: Convert to fraction form
    19,213.50/28,795.14 = 9,845.58/x
  3. Step 3: Cross multiply
    19,213.50x = 28,795.14 × 9,845.58
  4. Step 4: Simplify right side
    19,213.50x = 283,504,854.48
  5. Step 5: Solve for x
    x = 283,504,854.48/19,213.50
  6. Step 6: Final answer
    x = 14,755.50

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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.