Home / 13,247.94-18,282.54-7,279.98

Finding the Fourth Proportional to 13,247.94, 18,282.54 and 7,279.98

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Solution

The fourth proportional to 13,247.94, 18,282.54 and 7,279.98 is: 10,046.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.94 : 18,282.54 = 7,279.98 : x
  2. Step 2: Convert to fraction form
    13,247.94/18,282.54 = 7,279.98/x
  3. Step 3: Cross multiply
    13,247.94x = 18,282.54 × 7,279.98
  4. Step 4: Simplify right side
    13,247.94x = 133,096,525.55
  5. Step 5: Solve for x
    x = 133,096,525.55/13,247.94
  6. Step 6: Final answer
    x = 10,046.58

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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.