Home / 13,898.18-20,847.33-3,509.93

Finding the Fourth Proportional to 13,898.18, 20,847.33 and 3,509.93

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Solution

The fourth proportional to 13,898.18, 20,847.33 and 3,509.93 is: 5,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.18 : 20,847.33 = 3,509.93 : x
  2. Step 2: Convert to fraction form
    13,898.18/20,847.33 = 3,509.93/x
  3. Step 3: Cross multiply
    13,898.18x = 20,847.33 × 3,509.93
  4. Step 4: Simplify right side
    13,898.18x = 73,172,668.99
  5. Step 5: Solve for x
    x = 73,172,668.99/13,898.18
  6. Step 6: Final answer
    x = 5,264.91

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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.