Home / 13,441.26-18,545.91-8,134.95

Finding the Fourth Proportional to 13,441.26, 18,545.91 and 8,134.95

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Solution

The fourth proportional to 13,441.26, 18,545.91 and 8,134.95 is: 11,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.26 : 18,545.91 = 8,134.95 : x
  2. Step 2: Convert to fraction form
    13,441.26/18,545.91 = 8,134.95/x
  3. Step 3: Cross multiply
    13,441.26x = 18,545.91 × 8,134.95
  4. Step 4: Simplify right side
    13,441.26x = 150,870,050.55
  5. Step 5: Solve for x
    x = 150,870,050.55/13,441.26
  6. Step 6: Final answer
    x = 11,224.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.