Home / 11,379.02-17,073.94-5,140.94

Finding the Fourth Proportional to 11,379.02, 17,073.94 and 5,140.94

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Solution

The fourth proportional to 11,379.02, 17,073.94 and 5,140.94 is: 7,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.02 : 17,073.94 = 5,140.94 : x
  2. Step 2: Convert to fraction form
    11,379.02/17,073.94 = 5,140.94/x
  3. Step 3: Cross multiply
    11,379.02x = 17,073.94 × 5,140.94
  4. Step 4: Simplify right side
    11,379.02x = 87,776,012.52
  5. Step 5: Solve for x
    x = 87,776,012.52/11,379.02
  6. Step 6: Final answer
    x = 7,713.85

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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.