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Finding the Fourth Proportional to 14,815.12, 22,208.04 and 9,546.88

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Solution

The fourth proportional to 14,815.12, 22,208.04 and 9,546.88 is: 14,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.12 : 22,208.04 = 9,546.88 : x
  2. Step 2: Convert to fraction form
    14,815.12/22,208.04 = 9,546.88/x
  3. Step 3: Cross multiply
    14,815.12x = 22,208.04 × 9,546.88
  4. Step 4: Simplify right side
    14,815.12x = 212,017,492.92
  5. Step 5: Solve for x
    x = 212,017,492.92/14,815.12
  6. Step 6: Final answer
    x = 14,310.89

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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.