Home / 13,410.24-18,492.57-8,102.04

Finding the Fourth Proportional to 13,410.24, 18,492.57 and 8,102.04

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Solution

The fourth proportional to 13,410.24, 18,492.57 and 8,102.04 is: 11,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.24 : 18,492.57 = 8,102.04 : x
  2. Step 2: Convert to fraction form
    13,410.24/18,492.57 = 8,102.04/x
  3. Step 3: Cross multiply
    13,410.24x = 18,492.57 × 8,102.04
  4. Step 4: Simplify right side
    13,410.24x = 149,827,541.84
  5. Step 5: Solve for x
    x = 149,827,541.84/13,410.24
  6. Step 6: Final answer
    x = 11,172.62

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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.