Home / 13,247.84-18,281.97-7,279.76

Finding the Fourth Proportional to 13,247.84, 18,281.97 and 7,279.76

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Solution

The fourth proportional to 13,247.84, 18,281.97 and 7,279.76 is: 10,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.84 : 18,281.97 = 7,279.76 : x
  2. Step 2: Convert to fraction form
    13,247.84/18,281.97 = 7,279.76/x
  3. Step 3: Cross multiply
    13,247.84x = 18,281.97 × 7,279.76
  4. Step 4: Simplify right side
    13,247.84x = 133,088,353.93
  5. Step 5: Solve for x
    x = 133,088,353.93/13,247.84
  6. Step 6: Final answer
    x = 10,046.04

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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.