Home / 13,025.82-19,538.64-3,165.12

Finding the Fourth Proportional to 13,025.82, 19,538.64 and 3,165.12

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Solution

The fourth proportional to 13,025.82, 19,538.64 and 3,165.12 is: 4,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.82 : 19,538.64 = 3,165.12 : x
  2. Step 2: Convert to fraction form
    13,025.82/19,538.64 = 3,165.12/x
  3. Step 3: Cross multiply
    13,025.82x = 19,538.64 × 3,165.12
  4. Step 4: Simplify right side
    13,025.82x = 61,842,140.24
  5. Step 5: Solve for x
    x = 61,842,140.24/13,025.82
  6. Step 6: Final answer
    x = 4,747.66

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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.