Home / 14,495.89-21,743.15-5,135.75

Finding the Fourth Proportional to 14,495.89, 21,743.15 and 5,135.75

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Solution

The fourth proportional to 14,495.89, 21,743.15 and 5,135.75 is: 7,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.89 : 21,743.15 = 5,135.75 : x
  2. Step 2: Convert to fraction form
    14,495.89/21,743.15 = 5,135.75/x
  3. Step 3: Cross multiply
    14,495.89x = 21,743.15 × 5,135.75
  4. Step 4: Simplify right side
    14,495.89x = 111,667,382.61
  5. Step 5: Solve for x
    x = 111,667,382.61/14,495.89
  6. Step 6: Final answer
    x = 7,703.38

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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.