Home / 13,108.93-19,664.89-4,343.85

Finding the Fourth Proportional to 13,108.93, 19,664.89 and 4,343.85

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Solution

The fourth proportional to 13,108.93, 19,664.89 and 4,343.85 is: 6,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.93 : 19,664.89 = 4,343.85 : x
  2. Step 2: Convert to fraction form
    13,108.93/19,664.89 = 4,343.85/x
  3. Step 3: Cross multiply
    13,108.93x = 19,664.89 × 4,343.85
  4. Step 4: Simplify right side
    13,108.93x = 85,421,321.57
  5. Step 5: Solve for x
    x = 85,421,321.57/13,108.93
  6. Step 6: Final answer
    x = 6,516.27

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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.