Home / 12,296.21-18,444.32-5,271.66

Finding the Fourth Proportional to 12,296.21, 18,444.32 and 5,271.66

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Solution

The fourth proportional to 12,296.21, 18,444.32 and 5,271.66 is: 7,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.21 : 18,444.32 = 5,271.66 : x
  2. Step 2: Convert to fraction form
    12,296.21/18,444.32 = 5,271.66/x
  3. Step 3: Cross multiply
    12,296.21x = 18,444.32 × 5,271.66
  4. Step 4: Simplify right side
    12,296.21x = 97,232,183.97
  5. Step 5: Solve for x
    x = 97,232,183.97/12,296.21
  6. Step 6: Final answer
    x = 7,907.49

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Similar ratio
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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.