Home / 15,734.22-21,712.81-8,563.83

Finding the Fourth Proportional to 15,734.22, 21,712.81 and 8,563.83

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Solution

The fourth proportional to 15,734.22, 21,712.81 and 8,563.83 is: 11,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734.22 : 21,712.81 = 8,563.83 : x
  2. Step 2: Convert to fraction form
    15,734.22/21,712.81 = 8,563.83/x
  3. Step 3: Cross multiply
    15,734.22x = 21,712.81 × 8,563.83
  4. Step 4: Simplify right side
    15,734.22x = 185,944,813.66
  5. Step 5: Solve for x
    x = 185,944,813.66/15,734.22
  6. Step 6: Final answer
    x = 11,817.86

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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.