Home / 16,321.80-22,516.40-11,835.71

Finding the Fourth Proportional to 16,321.80, 22,516.40 and 11,835.71

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Solution

The fourth proportional to 16,321.80, 22,516.40 and 11,835.71 is: 16,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,321.80 : 22,516.40 = 11,835.71 : x
  2. Step 2: Convert to fraction form
    16,321.80/22,516.40 = 11,835.71/x
  3. Step 3: Cross multiply
    16,321.80x = 22,516.40 × 11,835.71
  4. Step 4: Simplify right side
    16,321.80x = 266,497,465.17
  5. Step 5: Solve for x
    x = 266,497,465.17/16,321.80
  6. Step 6: Final answer
    x = 16,327.71

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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.