Home / 12,427.18-18,640.77-4,530.29

Finding the Fourth Proportional to 12,427.18, 18,640.77 and 4,530.29

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Solution

The fourth proportional to 12,427.18, 18,640.77 and 4,530.29 is: 6,795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.18 : 18,640.77 = 4,530.29 : x
  2. Step 2: Convert to fraction form
    12,427.18/18,640.77 = 4,530.29/x
  3. Step 3: Cross multiply
    12,427.18x = 18,640.77 × 4,530.29
  4. Step 4: Simplify right side
    12,427.18x = 84,448,036.00
  5. Step 5: Solve for x
    x = 84,448,036.00/12,427.18
  6. Step 6: Final answer
    x = 6,795.43

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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.