Home / 12,593.28-18,891.20-4,808.64

Finding the Fourth Proportional to 12,593.28, 18,891.20 and 4,808.64

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Solution

The fourth proportional to 12,593.28, 18,891.20 and 4,808.64 is: 7,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.28 : 18,891.20 = 4,808.64 : x
  2. Step 2: Convert to fraction form
    12,593.28/18,891.20 = 4,808.64/x
  3. Step 3: Cross multiply
    12,593.28x = 18,891.20 × 4,808.64
  4. Step 4: Simplify right side
    12,593.28x = 90,840,979.97
  5. Step 5: Solve for x
    x = 90,840,979.97/12,593.28
  6. Step 6: Final answer
    x = 7,213.45

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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.