Home / 19,227.12-28,830.45-9,863.34

Finding the Fourth Proportional to 19,227.12, 28,830.45 and 9,863.34

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Solution

The fourth proportional to 19,227.12, 28,830.45 and 9,863.34 is: 14,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.12 : 28,830.45 = 9,863.34 : x
  2. Step 2: Convert to fraction form
    19,227.12/28,830.45 = 9,863.34/x
  3. Step 3: Cross multiply
    19,227.12x = 28,830.45 × 9,863.34
  4. Step 4: Simplify right side
    19,227.12x = 284,364,530.70
  5. Step 5: Solve for x
    x = 284,364,530.70/19,227.12
  6. Step 6: Final answer
    x = 14,789.76

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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.