Home / 10,750.39-16,131.81-4,509.84

Finding the Fourth Proportional to 10,750.39, 16,131.81 and 4,509.84

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Solution

The fourth proportional to 10,750.39, 16,131.81 and 4,509.84 is: 6,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.39 : 16,131.81 = 4,509.84 : x
  2. Step 2: Convert to fraction form
    10,750.39/16,131.81 = 4,509.84/x
  3. Step 3: Cross multiply
    10,750.39x = 16,131.81 × 4,509.84
  4. Step 4: Simplify right side
    10,750.39x = 72,751,882.01
  5. Step 5: Solve for x
    x = 72,751,882.01/10,750.39
  6. Step 6: Final answer
    x = 6,767.37

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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.