Home / 20,293.66-28,006.32-12,334.60

Finding the Fourth Proportional to 20,293.66, 28,006.32 and 12,334.60

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Solution

The fourth proportional to 20,293.66, 28,006.32 and 12,334.60 is: 17,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.66 : 28,006.32 = 12,334.60 : x
  2. Step 2: Convert to fraction form
    20,293.66/28,006.32 = 12,334.60/x
  3. Step 3: Cross multiply
    20,293.66x = 28,006.32 × 12,334.60
  4. Step 4: Simplify right side
    20,293.66x = 345,446,754.67
  5. Step 5: Solve for x
    x = 345,446,754.67/20,293.66
  6. Step 6: Final answer
    x = 17,022.40

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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.