Home / 20,194.64-30,290.68-9,672.16

Finding the Fourth Proportional to 20,194.64, 30,290.68 and 9,672.16

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Solution

The fourth proportional to 20,194.64, 30,290.68 and 9,672.16 is: 14,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.64 : 30,290.68 = 9,672.16 : x
  2. Step 2: Convert to fraction form
    20,194.64/30,290.68 = 9,672.16/x
  3. Step 3: Cross multiply
    20,194.64x = 30,290.68 × 9,672.16
  4. Step 4: Simplify right side
    20,194.64x = 292,976,303.47
  5. Step 5: Solve for x
    x = 292,976,303.47/20,194.64
  6. Step 6: Final answer
    x = 14,507.63

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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.