Home / 14,135.59-21,188.62-4,772.38

Finding the Fourth Proportional to 14,135.59, 21,188.62 and 4,772.38

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Solution

The fourth proportional to 14,135.59, 21,188.62 and 4,772.38 is: 7,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.59 : 21,188.62 = 4,772.38 : x
  2. Step 2: Convert to fraction form
    14,135.59/21,188.62 = 4,772.38/x
  3. Step 3: Cross multiply
    14,135.59x = 21,188.62 × 4,772.38
  4. Step 4: Simplify right side
    14,135.59x = 101,120,146.32
  5. Step 5: Solve for x
    x = 101,120,146.32/14,135.59
  6. Step 6: Final answer
    x = 7,153.59

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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.