Home / 16,213.36-22,386.72-12,670.36

Finding the Fourth Proportional to 16,213.36, 22,386.72 and 12,670.36

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Solution

The fourth proportional to 16,213.36, 22,386.72 and 12,670.36 is: 17,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.36 : 22,386.72 = 12,670.36 : x
  2. Step 2: Convert to fraction form
    16,213.36/22,386.72 = 12,670.36/x
  3. Step 3: Cross multiply
    16,213.36x = 22,386.72 × 12,670.36
  4. Step 4: Simplify right side
    16,213.36x = 283,647,801.62
  5. Step 5: Solve for x
    x = 283,647,801.62/16,213.36
  6. Step 6: Final answer
    x = 17,494.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.