Home / 13,434.23-18,526.83-8,396.84

Finding the Fourth Proportional to 13,434.23, 18,526.83 and 8,396.84

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Solution

The fourth proportional to 13,434.23, 18,526.83 and 8,396.84 is: 11,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.23 : 18,526.83 = 8,396.84 : x
  2. Step 2: Convert to fraction form
    13,434.23/18,526.83 = 8,396.84/x
  3. Step 3: Cross multiply
    13,434.23x = 18,526.83 × 8,396.84
  4. Step 4: Simplify right side
    13,434.23x = 155,566,734.58
  5. Step 5: Solve for x
    x = 155,566,734.58/13,434.23
  6. Step 6: Final answer
    x = 11,579.88

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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.