Home / 10,964.23-15,112.85-8,569.96

Finding the Fourth Proportional to 10,964.23, 15,112.85 and 8,569.96

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Solution

The fourth proportional to 10,964.23, 15,112.85 and 8,569.96 is: 11,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.23 : 15,112.85 = 8,569.96 : x
  2. Step 2: Convert to fraction form
    10,964.23/15,112.85 = 8,569.96/x
  3. Step 3: Cross multiply
    10,964.23x = 15,112.85 × 8,569.96
  4. Step 4: Simplify right side
    10,964.23x = 129,516,439.35
  5. Step 5: Solve for x
    x = 129,516,439.35/10,964.23
  6. Step 6: Final answer
    x = 11,812.64

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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.