Home / 13,790.26-20,686.02-5,024.80

Finding the Fourth Proportional to 13,790.26, 20,686.02 and 5,024.80

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Solution

The fourth proportional to 13,790.26, 20,686.02 and 5,024.80 is: 7,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.26 : 20,686.02 = 5,024.80 : x
  2. Step 2: Convert to fraction form
    13,790.26/20,686.02 = 5,024.80/x
  3. Step 3: Cross multiply
    13,790.26x = 20,686.02 × 5,024.80
  4. Step 4: Simplify right side
    13,790.26x = 103,943,113.30
  5. Step 5: Solve for x
    x = 103,943,113.30/13,790.26
  6. Step 6: Final answer
    x = 7,537.43

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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.