Home / 21,087.73-31,630.51-6,296.77

Finding the Fourth Proportional to 21,087.73, 31,630.51 and 6,296.77

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Solution

The fourth proportional to 21,087.73, 31,630.51 and 6,296.77 is: 9,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,087.73 : 31,630.51 = 6,296.77 : x
  2. Step 2: Convert to fraction form
    21,087.73/31,630.51 = 6,296.77/x
  3. Step 3: Cross multiply
    21,087.73x = 31,630.51 × 6,296.77
  4. Step 4: Simplify right side
    21,087.73x = 199,170,046.45
  5. Step 5: Solve for x
    x = 199,170,046.45/21,087.73
  6. Step 6: Final answer
    x = 9,444.83

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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.