Home / 15,177.46-20,935.87-11,814.95

Finding the Fourth Proportional to 15,177.46, 20,935.87 and 11,814.95

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Solution

The fourth proportional to 15,177.46, 20,935.87 and 11,814.95 is: 16,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.46 : 20,935.87 = 11,814.95 : x
  2. Step 2: Convert to fraction form
    15,177.46/20,935.87 = 11,814.95/x
  3. Step 3: Cross multiply
    15,177.46x = 20,935.87 × 11,814.95
  4. Step 4: Simplify right side
    15,177.46x = 247,356,257.26
  5. Step 5: Solve for x
    x = 247,356,257.26/15,177.46
  6. Step 6: Final answer
    x = 16,297.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.