Home / 13,057.45-19,586.64-4,293.05

Finding the Fourth Proportional to 13,057.45, 19,586.64 and 4,293.05

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Solution

The fourth proportional to 13,057.45, 19,586.64 and 4,293.05 is: 6,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.45 : 19,586.64 = 4,293.05 : x
  2. Step 2: Convert to fraction form
    13,057.45/19,586.64 = 4,293.05/x
  3. Step 3: Cross multiply
    13,057.45x = 19,586.64 × 4,293.05
  4. Step 4: Simplify right side
    13,057.45x = 84,086,416.97
  5. Step 5: Solve for x
    x = 84,086,416.97/13,057.45
  6. Step 6: Final answer
    x = 6,439.73

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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.