Home / 10,111.73-13,953.80-5,635.27

Finding the Fourth Proportional to 10,111.73, 13,953.80 and 5,635.27

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Solution

The fourth proportional to 10,111.73, 13,953.80 and 5,635.27 is: 7,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111.73 : 13,953.80 = 5,635.27 : x
  2. Step 2: Convert to fraction form
    10,111.73/13,953.80 = 5,635.27/x
  3. Step 3: Cross multiply
    10,111.73x = 13,953.80 × 5,635.27
  4. Step 4: Simplify right side
    10,111.73x = 78,633,360.76
  5. Step 5: Solve for x
    x = 78,633,360.76/10,111.73
  6. Step 6: Final answer
    x = 7,776.45

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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.