Home / 13,600.46-20,389.62-5,276.18

Finding the Fourth Proportional to 13,600.46, 20,389.62 and 5,276.18

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Solution

The fourth proportional to 13,600.46, 20,389.62 and 5,276.18 is: 7,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.46 : 20,389.62 = 5,276.18 : x
  2. Step 2: Convert to fraction form
    13,600.46/20,389.62 = 5,276.18/x
  3. Step 3: Cross multiply
    13,600.46x = 20,389.62 × 5,276.18
  4. Step 4: Simplify right side
    13,600.46x = 107,579,305.25
  5. Step 5: Solve for x
    x = 107,579,305.25/13,600.46
  6. Step 6: Final answer
    x = 7,909.98

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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.