Home / 12,669.55-19,011.09-8,226.16

Finding the Fourth Proportional to 12,669.55, 19,011.09 and 8,226.16

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Solution

The fourth proportional to 12,669.55, 19,011.09 and 8,226.16 is: 12,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.55 : 19,011.09 = 8,226.16 : x
  2. Step 2: Convert to fraction form
    12,669.55/19,011.09 = 8,226.16/x
  3. Step 3: Cross multiply
    12,669.55x = 19,011.09 × 8,226.16
  4. Step 4: Simplify right side
    12,669.55x = 156,388,187.81
  5. Step 5: Solve for x
    x = 156,388,187.81/12,669.55
  6. Step 6: Final answer
    x = 12,343.63

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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.