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Finding the Fourth Proportional to 16,609.76, 24,918.68 and 4,763.76

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Solution

The fourth proportional to 16,609.76, 24,918.68 and 4,763.76 is: 7,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,609.76 : 24,918.68 = 4,763.76 : x
  2. Step 2: Convert to fraction form
    16,609.76/24,918.68 = 4,763.76/x
  3. Step 3: Cross multiply
    16,609.76x = 24,918.68 × 4,763.76
  4. Step 4: Simplify right side
    16,609.76x = 118,706,611.04
  5. Step 5: Solve for x
    x = 118,706,611.04/16,609.76
  6. Step 6: Final answer
    x = 7,146.80

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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.