Home / 13,108.64-19,664.17-4,343.63

Finding the Fourth Proportional to 13,108.64, 19,664.17 and 4,343.63

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Solution

The fourth proportional to 13,108.64, 19,664.17 and 4,343.63 is: 6,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.64 : 19,664.17 = 4,343.63 : x
  2. Step 2: Convert to fraction form
    13,108.64/19,664.17 = 4,343.63/x
  3. Step 3: Cross multiply
    13,108.64x = 19,664.17 × 4,343.63
  4. Step 4: Simplify right side
    13,108.64x = 85,413,769.56
  5. Step 5: Solve for x
    x = 85,413,769.56/13,108.64
  6. Step 6: Final answer
    x = 6,515.84

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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.