Home / 10,809.62-16,106.97-9,630.56

Finding the Fourth Proportional to 10,809.62, 16,106.97 and 9,630.56

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Solution

The fourth proportional to 10,809.62, 16,106.97 and 9,630.56 is: 14,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.62 : 16,106.97 = 9,630.56 : x
  2. Step 2: Convert to fraction form
    10,809.62/16,106.97 = 9,630.56/x
  3. Step 3: Cross multiply
    10,809.62x = 16,106.97 × 9,630.56
  4. Step 4: Simplify right side
    10,809.62x = 155,119,163.21
  5. Step 5: Solve for x
    x = 155,119,163.21/10,809.62
  6. Step 6: Final answer
    x = 14,350.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.