Home / 13,081.55-19,614.99-4,315.73

Finding the Fourth Proportional to 13,081.55, 19,614.99 and 4,315.73

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Solution

The fourth proportional to 13,081.55, 19,614.99 and 4,315.73 is: 6,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.55 : 19,614.99 = 4,315.73 : x
  2. Step 2: Convert to fraction form
    13,081.55/19,614.99 = 4,315.73/x
  3. Step 3: Cross multiply
    13,081.55x = 19,614.99 × 4,315.73
  4. Step 4: Simplify right side
    13,081.55x = 84,653,000.79
  5. Step 5: Solve for x
    x = 84,653,000.79/13,081.55
  6. Step 6: Final answer
    x = 6,471.18

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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.