Home / 13,025.85-19,538.51-3,665.76

Finding the Fourth Proportional to 13,025.85, 19,538.51 and 3,665.76

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Solution

The fourth proportional to 13,025.85, 19,538.51 and 3,665.76 is: 5,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.85 : 19,538.51 = 3,665.76 : x
  2. Step 2: Convert to fraction form
    13,025.85/19,538.51 = 3,665.76/x
  3. Step 3: Cross multiply
    13,025.85x = 19,538.51 × 3,665.76
  4. Step 4: Simplify right side
    13,025.85x = 71,623,470.09
  5. Step 5: Solve for x
    x = 71,623,470.09/13,025.85
  6. Step 6: Final answer
    x = 5,498.56

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1.5x scale

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.