Home / 13,758.30-20,640.54-4,993.26

Finding the Fourth Proportional to 13,758.30, 20,640.54 and 4,993.26

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Solution

The fourth proportional to 13,758.30, 20,640.54 and 4,993.26 is: 7,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758.30 : 20,640.54 = 4,993.26 : x
  2. Step 2: Convert to fraction form
    13,758.30/20,640.54 = 4,993.26/x
  3. Step 3: Cross multiply
    13,758.30x = 20,640.54 × 4,993.26
  4. Step 4: Simplify right side
    13,758.30x = 103,063,582.76
  5. Step 5: Solve for x
    x = 103,063,582.76/13,758.30
  6. Step 6: Final answer
    x = 7,491.01

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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.