Home / 20,368.11-30,553.32-6,330.15

Finding the Fourth Proportional to 20,368.11, 30,553.32 and 6,330.15

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Solution

The fourth proportional to 20,368.11, 30,553.32 and 6,330.15 is: 9,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.11 : 30,553.32 = 6,330.15 : x
  2. Step 2: Convert to fraction form
    20,368.11/30,553.32 = 6,330.15/x
  3. Step 3: Cross multiply
    20,368.11x = 30,553.32 × 6,330.15
  4. Step 4: Simplify right side
    20,368.11x = 193,407,098.60
  5. Step 5: Solve for x
    x = 193,407,098.60/20,368.11
  6. Step 6: Final answer
    x = 9,495.58

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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.