Home / 13,790.88-20,685.96-5,025.96

Finding the Fourth Proportional to 13,790.88, 20,685.96 and 5,025.96

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Solution

The fourth proportional to 13,790.88, 20,685.96 and 5,025.96 is: 7,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.88 : 20,685.96 = 5,025.96 : x
  2. Step 2: Convert to fraction form
    13,790.88/20,685.96 = 5,025.96/x
  3. Step 3: Cross multiply
    13,790.88x = 20,685.96 × 5,025.96
  4. Step 4: Simplify right side
    13,790.88x = 103,966,807.52
  5. Step 5: Solve for x
    x = 103,966,807.52/13,790.88
  6. Step 6: Final answer
    x = 7,538.81

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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.