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Finding the Fourth Proportional to 14,800.62, 22,211.90 and 7,009.46

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Solution

The fourth proportional to 14,800.62, 22,211.90 and 7,009.46 is: 10,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.62 : 22,211.90 = 7,009.46 : x
  2. Step 2: Convert to fraction form
    14,800.62/22,211.90 = 7,009.46/x
  3. Step 3: Cross multiply
    14,800.62x = 22,211.90 × 7,009.46
  4. Step 4: Simplify right side
    14,800.62x = 155,693,424.57
  5. Step 5: Solve for x
    x = 155,693,424.57/14,800.62
  6. Step 6: Final answer
    x = 10,519.39

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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.