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Finding the Fourth Proportional to 23,609.70, 35,411.72 and 8,814.65

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Solution

The fourth proportional to 23,609.70, 35,411.72 and 8,814.65 is: 13,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,609.70 : 35,411.72 = 8,814.65 : x
  2. Step 2: Convert to fraction form
    23,609.70/35,411.72 = 8,814.65/x
  3. Step 3: Cross multiply
    23,609.70x = 35,411.72 × 8,814.65
  4. Step 4: Simplify right side
    23,609.70x = 312,141,696.57
  5. Step 5: Solve for x
    x = 312,141,696.57/23,609.70
  6. Step 6: Final answer
    x = 13,220.91

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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.