Home / 12,448.77-18,645.21-5,861.04

Finding the Fourth Proportional to 12,448.77, 18,645.21 and 5,861.04

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Solution

The fourth proportional to 12,448.77, 18,645.21 and 5,861.04 is: 8,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.77 : 18,645.21 = 5,861.04 : x
  2. Step 2: Convert to fraction form
    12,448.77/18,645.21 = 5,861.04/x
  3. Step 3: Cross multiply
    12,448.77x = 18,645.21 × 5,861.04
  4. Step 4: Simplify right side
    12,448.77x = 109,280,321.62
  5. Step 5: Solve for x
    x = 109,280,321.62/12,448.77
  6. Step 6: Final answer
    x = 8,778.40

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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.