Home / 12,266.32-18,397.02-3,379.33

Finding the Fourth Proportional to 12,266.32, 18,397.02 and 3,379.33

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Solution

The fourth proportional to 12,266.32, 18,397.02 and 3,379.33 is: 5,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.32 : 18,397.02 = 3,379.33 : x
  2. Step 2: Convert to fraction form
    12,266.32/18,397.02 = 3,379.33/x
  3. Step 3: Cross multiply
    12,266.32x = 18,397.02 × 3,379.33
  4. Step 4: Simplify right side
    12,266.32x = 62,169,601.60
  5. Step 5: Solve for x
    x = 62,169,601.60/12,266.32
  6. Step 6: Final answer
    x = 5,068.32

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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.