Home / 10,088.41-13,921.56-5,611.81

Finding the Fourth Proportional to 10,088.41, 13,921.56 and 5,611.81

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Solution

The fourth proportional to 10,088.41, 13,921.56 and 5,611.81 is: 7,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.41 : 13,921.56 = 5,611.81 : x
  2. Step 2: Convert to fraction form
    10,088.41/13,921.56 = 5,611.81/x
  3. Step 3: Cross multiply
    10,088.41x = 13,921.56 × 5,611.81
  4. Step 4: Simplify right side
    10,088.41x = 78,125,149.62
  5. Step 5: Solve for x
    x = 78,125,149.62/10,088.41
  6. Step 6: Final answer
    x = 7,744.05

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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.