Home / 15,835.14-21,852.24-8,761.38

Finding the Fourth Proportional to 15,835.14, 21,852.24 and 8,761.38

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Solution

The fourth proportional to 15,835.14, 21,852.24 and 8,761.38 is: 12,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,835.14 : 21,852.24 = 8,761.38 : x
  2. Step 2: Convert to fraction form
    15,835.14/21,852.24 = 8,761.38/x
  3. Step 3: Cross multiply
    15,835.14x = 21,852.24 × 8,761.38
  4. Step 4: Simplify right side
    15,835.14x = 191,455,778.49
  5. Step 5: Solve for x
    x = 191,455,778.49/15,835.14
  6. Step 6: Final answer
    x = 12,090.56

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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.