Home / 22,576.76-31,157.82-13,145.96

Finding the Fourth Proportional to 22,576.76, 31,157.82 and 13,145.96

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Solution

The fourth proportional to 22,576.76, 31,157.82 and 13,145.96 is: 18,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,576.76 : 31,157.82 = 13,145.96 : x
  2. Step 2: Convert to fraction form
    22,576.76/31,157.82 = 13,145.96/x
  3. Step 3: Cross multiply
    22,576.76x = 31,157.82 × 13,145.96
  4. Step 4: Simplify right side
    22,576.76x = 409,599,455.41
  5. Step 5: Solve for x
    x = 409,599,455.41/22,576.76
  6. Step 6: Final answer
    x = 18,142.53

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Double scale
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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.