Home / 20,636.39-30,959.82-9,551.06

Finding the Fourth Proportional to 20,636.39, 30,959.82 and 9,551.06

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Solution

The fourth proportional to 20,636.39, 30,959.82 and 9,551.06 is: 14,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636.39 : 30,959.82 = 9,551.06 : x
  2. Step 2: Convert to fraction form
    20,636.39/30,959.82 = 9,551.06/x
  3. Step 3: Cross multiply
    20,636.39x = 30,959.82 × 9,551.06
  4. Step 4: Simplify right side
    20,636.39x = 295,699,098.41
  5. Step 5: Solve for x
    x = 295,699,098.41/20,636.39
  6. Step 6: Final answer
    x = 14,329.01

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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.