Home / 13,564.24-20,384.58-8,020.18

Finding the Fourth Proportional to 13,564.24, 20,384.58 and 8,020.18

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Solution

The fourth proportional to 13,564.24, 20,384.58 and 8,020.18 is: 12,052.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.24 : 20,384.58 = 8,020.18 : x
  2. Step 2: Convert to fraction form
    13,564.24/20,384.58 = 8,020.18/x
  3. Step 3: Cross multiply
    13,564.24x = 20,384.58 × 8,020.18
  4. Step 4: Simplify right side
    13,564.24x = 163,488,000.82
  5. Step 5: Solve for x
    x = 163,488,000.82/13,564.24
  6. Step 6: Final answer
    x = 12,052.87

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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.