Home / 22,884.09-31,576.40-12,812.96

Finding the Fourth Proportional to 22,884.09, 31,576.40 and 12,812.96

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Solution

The fourth proportional to 22,884.09, 31,576.40 and 12,812.96 is: 17,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,884.09 : 31,576.40 = 12,812.96 : x
  2. Step 2: Convert to fraction form
    22,884.09/31,576.40 = 12,812.96/x
  3. Step 3: Cross multiply
    22,884.09x = 31,576.40 × 12,812.96
  4. Step 4: Simplify right side
    22,884.09x = 404,586,928.20
  5. Step 5: Solve for x
    x = 404,586,928.20/22,884.09
  6. Step 6: Final answer
    x = 17,679.83

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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.