Home / 20,366.22-30,531.90-9,268.94

Finding the Fourth Proportional to 20,366.22, 30,531.90 and 9,268.94

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Solution

The fourth proportional to 20,366.22, 30,531.90 and 9,268.94 is: 13,895.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.22 : 30,531.90 = 9,268.94 : x
  2. Step 2: Convert to fraction form
    20,366.22/30,531.90 = 9,268.94/x
  3. Step 3: Cross multiply
    20,366.22x = 30,531.90 × 9,268.94
  4. Step 4: Simplify right side
    20,366.22x = 282,998,349.19
  5. Step 5: Solve for x
    x = 282,998,349.19/20,366.22
  6. Step 6: Final answer
    x = 13,895.48

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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.