Home / 13,566.87-20,353.53-5,664.99

Finding the Fourth Proportional to 13,566.87, 20,353.53 and 5,664.99

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Solution

The fourth proportional to 13,566.87, 20,353.53 and 5,664.99 is: 8,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.87 : 20,353.53 = 5,664.99 : x
  2. Step 2: Convert to fraction form
    13,566.87/20,353.53 = 5,664.99/x
  3. Step 3: Cross multiply
    13,566.87x = 20,353.53 × 5,664.99
  4. Step 4: Simplify right side
    13,566.87x = 115,302,543.91
  5. Step 5: Solve for x
    x = 115,302,543.91/13,566.87
  6. Step 6: Final answer
    x = 8,498.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.