Home / 12,893.40-19,342.10-5,497.88

Finding the Fourth Proportional to 12,893.40, 19,342.10 and 5,497.88

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Solution

The fourth proportional to 12,893.40, 19,342.10 and 5,497.88 is: 8,247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.40 : 19,342.10 = 5,497.88 : x
  2. Step 2: Convert to fraction form
    12,893.40/19,342.10 = 5,497.88/x
  3. Step 3: Cross multiply
    12,893.40x = 19,342.10 × 5,497.88
  4. Step 4: Simplify right side
    12,893.40x = 106,340,461.78
  5. Step 5: Solve for x
    x = 106,340,461.78/12,893.40
  6. Step 6: Final answer
    x = 8,247.67

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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.