Home / 10,751.99-16,129.02-4,178.69

Finding the Fourth Proportional to 10,751.99, 16,129.02 and 4,178.69

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Solution

The fourth proportional to 10,751.99, 16,129.02 and 4,178.69 is: 6,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.99 : 16,129.02 = 4,178.69 : x
  2. Step 2: Convert to fraction form
    10,751.99/16,129.02 = 4,178.69/x
  3. Step 3: Cross multiply
    10,751.99x = 16,129.02 × 4,178.69
  4. Step 4: Simplify right side
    10,751.99x = 67,398,174.58
  5. Step 5: Solve for x
    x = 67,398,174.58/10,751.99
  6. Step 6: Final answer
    x = 6,268.44

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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.