Home / 12,164.36-18,246.51-2,930.36

Finding the Fourth Proportional to 12,164.36, 18,246.51 and 2,930.36

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Solution

The fourth proportional to 12,164.36, 18,246.51 and 2,930.36 is: 4,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.36 : 18,246.51 = 2,930.36 : x
  2. Step 2: Convert to fraction form
    12,164.36/18,246.51 = 2,930.36/x
  3. Step 3: Cross multiply
    12,164.36x = 18,246.51 × 2,930.36
  4. Step 4: Simplify right side
    12,164.36x = 53,468,751.81
  5. Step 5: Solve for x
    x = 53,468,751.81/12,164.36
  6. Step 6: Final answer
    x = 4,395.53

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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.