Home / 13,107.68-19,663.92-4,342.64

Finding the Fourth Proportional to 13,107.68, 19,663.92 and 4,342.64

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Solution

The fourth proportional to 13,107.68, 19,663.92 and 4,342.64 is: 6,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.68 : 19,663.92 = 4,342.64 : x
  2. Step 2: Convert to fraction form
    13,107.68/19,663.92 = 4,342.64/x
  3. Step 3: Cross multiply
    13,107.68x = 19,663.92 × 4,342.64
  4. Step 4: Simplify right side
    13,107.68x = 85,393,325.55
  5. Step 5: Solve for x
    x = 85,393,325.55/13,107.68
  6. Step 6: Final answer
    x = 6,514.76

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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.