Home / 10,588.22-15,857.22-8,389.88

Finding the Fourth Proportional to 10,588.22, 15,857.22 and 8,389.88

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Solution

The fourth proportional to 10,588.22, 15,857.22 and 8,389.88 is: 12,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,588.22 : 15,857.22 = 8,389.88 : x
  2. Step 2: Convert to fraction form
    10,588.22/15,857.22 = 8,389.88/x
  3. Step 3: Cross multiply
    10,588.22x = 15,857.22 × 8,389.88
  4. Step 4: Simplify right side
    10,588.22x = 133,040,172.93
  5. Step 5: Solve for x
    x = 133,040,172.93/10,588.22
  6. Step 6: Final answer
    x = 12,564.92

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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.