Home / 13,057.45-19,583.03-9,143.73

Finding the Fourth Proportional to 13,057.45, 19,583.03 and 9,143.73

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Solution

The fourth proportional to 13,057.45, 19,583.03 and 9,143.73 is: 13,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.45 : 19,583.03 = 9,143.73 : x
  2. Step 2: Convert to fraction form
    13,057.45/19,583.03 = 9,143.73/x
  3. Step 3: Cross multiply
    13,057.45x = 19,583.03 × 9,143.73
  4. Step 4: Simplify right side
    13,057.45x = 179,061,961.76
  5. Step 5: Solve for x
    x = 179,061,961.76/13,057.45
  6. Step 6: Final answer
    x = 13,713.40

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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.