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Finding the Fourth Proportional to 22,819.95, 34,208.06 and 9,654.21

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Solution

The fourth proportional to 22,819.95, 34,208.06 and 9,654.21 is: 14,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,819.95 : 34,208.06 = 9,654.21 : x
  2. Step 2: Convert to fraction form
    22,819.95/34,208.06 = 9,654.21/x
  3. Step 3: Cross multiply
    22,819.95x = 34,208.06 × 9,654.21
  4. Step 4: Simplify right side
    22,819.95x = 330,251,746.66
  5. Step 5: Solve for x
    x = 330,251,746.66/22,819.95
  6. Step 6: Final answer
    x = 14,472.06

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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.