Home / 19,331.64-28,998.09-9,197.87

Finding the Fourth Proportional to 19,331.64, 28,998.09 and 9,197.87

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Solution

The fourth proportional to 19,331.64, 28,998.09 and 9,197.87 is: 13,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.64 : 28,998.09 = 9,197.87 : x
  2. Step 2: Convert to fraction form
    19,331.64/28,998.09 = 9,197.87/x
  3. Step 3: Cross multiply
    19,331.64x = 28,998.09 × 9,197.87
  4. Step 4: Simplify right side
    19,331.64x = 266,720,517.08
  5. Step 5: Solve for x
    x = 266,720,517.08/19,331.64
  6. Step 6: Final answer
    x = 13,797.10

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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.