Home / 13,011.24-19,516.86-6,445.56

Finding the Fourth Proportional to 13,011.24, 19,516.86 and 6,445.56

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Solution

The fourth proportional to 13,011.24, 19,516.86 and 6,445.56 is: 9,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.24 : 19,516.86 = 6,445.56 : x
  2. Step 2: Convert to fraction form
    13,011.24/19,516.86 = 6,445.56/x
  3. Step 3: Cross multiply
    13,011.24x = 19,516.86 × 6,445.56
  4. Step 4: Simplify right side
    13,011.24x = 125,797,092.14
  5. Step 5: Solve for x
    x = 125,797,092.14/13,011.24
  6. Step 6: Final answer
    x = 9,668.34

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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.