Home / 21,086.73-31,636.94-6,295.77

Finding the Fourth Proportional to 21,086.73, 31,636.94 and 6,295.77

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Solution

The fourth proportional to 21,086.73, 31,636.94 and 6,295.77 is: 9,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086.73 : 31,636.94 = 6,295.77 : x
  2. Step 2: Convert to fraction form
    21,086.73/31,636.94 = 6,295.77/x
  3. Step 3: Cross multiply
    21,086.73x = 31,636.94 × 6,295.77
  4. Step 4: Simplify right side
    21,086.73x = 199,178,897.74
  5. Step 5: Solve for x
    x = 199,178,897.74/21,086.73
  6. Step 6: Final answer
    x = 9,445.70

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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.