Home / 15,658.64-21,584.37-11,866.62

Finding the Fourth Proportional to 15,658.64, 21,584.37 and 11,866.62

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Solution

The fourth proportional to 15,658.64, 21,584.37 and 11,866.62 is: 16,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.64 : 21,584.37 = 11,866.62 : x
  2. Step 2: Convert to fraction form
    15,658.64/21,584.37 = 11,866.62/x
  3. Step 3: Cross multiply
    15,658.64x = 21,584.37 × 11,866.62
  4. Step 4: Simplify right side
    15,658.64x = 256,133,516.73
  5. Step 5: Solve for x
    x = 256,133,516.73/15,658.64
  6. Step 6: Final answer
    x = 16,357.33

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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.