Home / 13,184.57-19,778.91-4,417.44

Finding the Fourth Proportional to 13,184.57, 19,778.91 and 4,417.44

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Solution

The fourth proportional to 13,184.57, 19,778.91 and 4,417.44 is: 6,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.57 : 19,778.91 = 4,417.44 : x
  2. Step 2: Convert to fraction form
    13,184.57/19,778.91 = 4,417.44/x
  3. Step 3: Cross multiply
    13,184.57x = 19,778.91 × 4,417.44
  4. Step 4: Simplify right side
    13,184.57x = 87,372,069.88
  5. Step 5: Solve for x
    x = 87,372,069.88/13,184.57
  6. Step 6: Final answer
    x = 6,626.84

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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.