Home / 10,102.32-13,938.84-5,909.04

Finding the Fourth Proportional to 10,102.32, 13,938.84 and 5,909.04

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Solution

The fourth proportional to 10,102.32, 13,938.84 and 5,909.04 is: 8,153.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.32 : 13,938.84 = 5,909.04 : x
  2. Step 2: Convert to fraction form
    10,102.32/13,938.84 = 5,909.04/x
  3. Step 3: Cross multiply
    10,102.32x = 13,938.84 × 5,909.04
  4. Step 4: Simplify right side
    10,102.32x = 82,365,163.11
  5. Step 5: Solve for x
    x = 82,365,163.11/10,102.32
  6. Step 6: Final answer
    x = 8,153.09

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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.