Home / 13,253.49-18,282.92-8,216.10

Finding the Fourth Proportional to 13,253.49, 18,282.92 and 8,216.10

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Solution

The fourth proportional to 13,253.49, 18,282.92 and 8,216.10 is: 11,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.49 : 18,282.92 = 8,216.10 : x
  2. Step 2: Convert to fraction form
    13,253.49/18,282.92 = 8,216.10/x
  3. Step 3: Cross multiply
    13,253.49x = 18,282.92 × 8,216.10
  4. Step 4: Simplify right side
    13,253.49x = 150,214,257.93
  5. Step 5: Solve for x
    x = 150,214,257.93/13,253.49
  6. Step 6: Final answer
    x = 11,333.94

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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.