Home / 12,857.22-19,288.24-5,837.72

Finding the Fourth Proportional to 12,857.22, 19,288.24 and 5,837.72

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Solution

The fourth proportional to 12,857.22, 19,288.24 and 5,837.72 is: 8,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857.22 : 19,288.24 = 5,837.72 : x
  2. Step 2: Convert to fraction form
    12,857.22/19,288.24 = 5,837.72/x
  3. Step 3: Cross multiply
    12,857.22x = 19,288.24 × 5,837.72
  4. Step 4: Simplify right side
    12,857.22x = 112,599,344.41
  5. Step 5: Solve for x
    x = 112,599,344.41/12,857.22
  6. Step 6: Final answer
    x = 8,757.67

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1.5x scale

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.