Home / 18,884.28-28,325.78-7,197.08

Finding the Fourth Proportional to 18,884.28, 28,325.78 and 7,197.08

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Solution

The fourth proportional to 18,884.28, 28,325.78 and 7,197.08 is: 10,795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.28 : 28,325.78 = 7,197.08 : x
  2. Step 2: Convert to fraction form
    18,884.28/28,325.78 = 7,197.08/x
  3. Step 3: Cross multiply
    18,884.28x = 28,325.78 × 7,197.08
  4. Step 4: Simplify right side
    18,884.28x = 203,862,904.72
  5. Step 5: Solve for x
    x = 203,862,904.72/18,884.28
  6. Step 6: Final answer
    x = 10,795.38

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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.