Home / 13,252.42-18,291.81-8,213.77

Finding the Fourth Proportional to 13,252.42, 18,291.81 and 8,213.77

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Solution

The fourth proportional to 13,252.42, 18,291.81 and 8,213.77 is: 11,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.42 : 18,291.81 = 8,213.77 : x
  2. Step 2: Convert to fraction form
    13,252.42/18,291.81 = 8,213.77/x
  3. Step 3: Cross multiply
    13,252.42x = 18,291.81 × 8,213.77
  4. Step 4: Simplify right side
    13,252.42x = 150,244,720.22
  5. Step 5: Solve for x
    x = 150,244,720.22/13,252.42
  6. Step 6: Final answer
    x = 11,337.15

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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.