Home / 13,257.91-18,296.10-7,289.83

Finding the Fourth Proportional to 13,257.91, 18,296.10 and 7,289.83

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Solution

The fourth proportional to 13,257.91, 18,296.10 and 7,289.83 is: 10,060.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.91 : 18,296.10 = 7,289.83 : x
  2. Step 2: Convert to fraction form
    13,257.91/18,296.10 = 7,289.83/x
  3. Step 3: Cross multiply
    13,257.91x = 18,296.10 × 7,289.83
  4. Step 4: Simplify right side
    13,257.91x = 133,375,330.73
  5. Step 5: Solve for x
    x = 133,375,330.73/13,257.91
  6. Step 6: Final answer
    x = 10,060.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.