Home / 12,240.05-18,352.78-8,296.16

Finding the Fourth Proportional to 12,240.05, 18,352.78 and 8,296.16

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Solution

The fourth proportional to 12,240.05, 18,352.78 and 8,296.16 is: 12,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.05 : 18,352.78 = 8,296.16 : x
  2. Step 2: Convert to fraction form
    12,240.05/18,352.78 = 8,296.16/x
  3. Step 3: Cross multiply
    12,240.05x = 18,352.78 × 8,296.16
  4. Step 4: Simplify right side
    12,240.05x = 152,257,486.82
  5. Step 5: Solve for x
    x = 152,257,486.82/12,240.05
  6. Step 6: Final answer
    x = 12,439.29

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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.