Home / 19,228.16-28,844.29-8,135.97

Finding the Fourth Proportional to 19,228.16, 28,844.29 and 8,135.97

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Solution

The fourth proportional to 19,228.16, 28,844.29 and 8,135.97 is: 12,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.16 : 28,844.29 = 8,135.97 : x
  2. Step 2: Convert to fraction form
    19,228.16/28,844.29 = 8,135.97/x
  3. Step 3: Cross multiply
    19,228.16x = 28,844.29 × 8,135.97
  4. Step 4: Simplify right side
    19,228.16x = 234,676,278.11
  5. Step 5: Solve for x
    x = 234,676,278.11/19,228.16
  6. Step 6: Final answer
    x = 12,204.82

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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.