Home / 14,636.08-20,197.82-7,921.76

Finding the Fourth Proportional to 14,636.08, 20,197.82 and 7,921.76

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Solution

The fourth proportional to 14,636.08, 20,197.82 and 7,921.76 is: 10,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.08 : 20,197.82 = 7,921.76 : x
  2. Step 2: Convert to fraction form
    14,636.08/20,197.82 = 7,921.76/x
  3. Step 3: Cross multiply
    14,636.08x = 20,197.82 × 7,921.76
  4. Step 4: Simplify right side
    14,636.08x = 160,002,293.45
  5. Step 5: Solve for x
    x = 160,002,293.45/14,636.08
  6. Step 6: Final answer
    x = 10,932.05

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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.