Home / 12,262.17-18,390.21-3,497.16

Finding the Fourth Proportional to 12,262.17, 18,390.21 and 3,497.16

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Solution

The fourth proportional to 12,262.17, 18,390.21 and 3,497.16 is: 5,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.17 : 18,390.21 = 3,497.16 : x
  2. Step 2: Convert to fraction form
    12,262.17/18,390.21 = 3,497.16/x
  3. Step 3: Cross multiply
    12,262.17x = 18,390.21 × 3,497.16
  4. Step 4: Simplify right side
    12,262.17x = 64,313,506.80
  5. Step 5: Solve for x
    x = 64,313,506.80/12,262.17
  6. Step 6: Final answer
    x = 5,244.87

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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.