Home / 19,236.97-28,855.15-9,871.59

Finding the Fourth Proportional to 19,236.97, 28,855.15 and 9,871.59

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Solution

The fourth proportional to 19,236.97, 28,855.15 and 9,871.59 is: 14,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.97 : 28,855.15 = 9,871.59 : x
  2. Step 2: Convert to fraction form
    19,236.97/28,855.15 = 9,871.59/x
  3. Step 3: Cross multiply
    19,236.97x = 28,855.15 × 9,871.59
  4. Step 4: Simplify right side
    19,236.97x = 284,846,210.19
  5. Step 5: Solve for x
    x = 284,846,210.19/19,236.97
  6. Step 6: Final answer
    x = 14,807.23

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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.