Home / 12,522.42-18,790.11-5,507.35

Finding the Fourth Proportional to 12,522.42, 18,790.11 and 5,507.35

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Solution

The fourth proportional to 12,522.42, 18,790.11 and 5,507.35 is: 8,263.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.42 : 18,790.11 = 5,507.35 : x
  2. Step 2: Convert to fraction form
    12,522.42/18,790.11 = 5,507.35/x
  3. Step 3: Cross multiply
    12,522.42x = 18,790.11 × 5,507.35
  4. Step 4: Simplify right side
    12,522.42x = 103,483,665.33
  5. Step 5: Solve for x
    x = 103,483,665.33/12,522.42
  6. Step 6: Final answer
    x = 8,263.87

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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.