Home / 10,765.14-16,148.92-4,920.99

Finding the Fourth Proportional to 10,765.14, 16,148.92 and 4,920.99

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Solution

The fourth proportional to 10,765.14, 16,148.92 and 4,920.99 is: 7,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,765.14 : 16,148.92 = 4,920.99 : x
  2. Step 2: Convert to fraction form
    10,765.14/16,148.92 = 4,920.99/x
  3. Step 3: Cross multiply
    10,765.14x = 16,148.92 × 4,920.99
  4. Step 4: Simplify right side
    10,765.14x = 79,468,610.20
  5. Step 5: Solve for x
    x = 79,468,610.20/10,765.14
  6. Step 6: Final answer
    x = 7,382.03

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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.