Home / 13,814.73-20,710.38-4,927.39

Finding the Fourth Proportional to 13,814.73, 20,710.38 and 4,927.39

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Solution

The fourth proportional to 13,814.73, 20,710.38 and 4,927.39 is: 7,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.73 : 20,710.38 = 4,927.39 : x
  2. Step 2: Convert to fraction form
    13,814.73/20,710.38 = 4,927.39/x
  3. Step 3: Cross multiply
    13,814.73x = 20,710.38 × 4,927.39
  4. Step 4: Simplify right side
    13,814.73x = 102,048,119.31
  5. Step 5: Solve for x
    x = 102,048,119.31/13,814.73
  6. Step 6: Final answer
    x = 7,386.91

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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.