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Finding the Fourth Proportional to 18,323.98, 25,287.73 and 10,770.21

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Solution

The fourth proportional to 18,323.98, 25,287.73 and 10,770.21 is: 14,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.98 : 25,287.73 = 10,770.21 : x
  2. Step 2: Convert to fraction form
    18,323.98/25,287.73 = 10,770.21/x
  3. Step 3: Cross multiply
    18,323.98x = 25,287.73 × 10,770.21
  4. Step 4: Simplify right side
    18,323.98x = 272,354,135.60
  5. Step 5: Solve for x
    x = 272,354,135.60/18,323.98
  6. Step 6: Final answer
    x = 14,863.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.