Home / 13,411.32-20,096.44-7,172.22

Finding the Fourth Proportional to 13,411.32, 20,096.44 and 7,172.22

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Solution

The fourth proportional to 13,411.32, 20,096.44 and 7,172.22 is: 10,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.32 : 20,096.44 = 7,172.22 : x
  2. Step 2: Convert to fraction form
    13,411.32/20,096.44 = 7,172.22/x
  3. Step 3: Cross multiply
    13,411.32x = 20,096.44 × 7,172.22
  4. Step 4: Simplify right side
    13,411.32x = 144,136,088.90
  5. Step 5: Solve for x
    x = 144,136,088.90/13,411.32
  6. Step 6: Final answer
    x = 10,747.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.