Home / 12,529.34-17,292.10-8,226.12

Finding the Fourth Proportional to 12,529.34, 17,292.10 and 8,226.12

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Solution

The fourth proportional to 12,529.34, 17,292.10 and 8,226.12 is: 11,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.34 : 17,292.10 = 8,226.12 : x
  2. Step 2: Convert to fraction form
    12,529.34/17,292.10 = 8,226.12/x
  3. Step 3: Cross multiply
    12,529.34x = 17,292.10 × 8,226.12
  4. Step 4: Simplify right side
    12,529.34x = 142,246,889.65
  5. Step 5: Solve for x
    x = 142,246,889.65/12,529.34
  6. Step 6: Final answer
    x = 11,353.10

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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.