Home / 13,267.32-18,302.94-8,549.88

Finding the Fourth Proportional to 13,267.32, 18,302.94 and 8,549.88

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Solution

The fourth proportional to 13,267.32, 18,302.94 and 8,549.88 is: 11,794.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.32 : 18,302.94 = 8,549.88 : x
  2. Step 2: Convert to fraction form
    13,267.32/18,302.94 = 8,549.88/x
  3. Step 3: Cross multiply
    13,267.32x = 18,302.94 × 8,549.88
  4. Step 4: Simplify right side
    13,267.32x = 156,487,940.65
  5. Step 5: Solve for x
    x = 156,487,940.65/13,267.32
  6. Step 6: Final answer
    x = 11,794.99

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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.