Home / 12,551.42-18,826.56-5,529.55

Finding the Fourth Proportional to 12,551.42, 18,826.56 and 5,529.55

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Solution

The fourth proportional to 12,551.42, 18,826.56 and 5,529.55 is: 8,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.42 : 18,826.56 = 5,529.55 : x
  2. Step 2: Convert to fraction form
    12,551.42/18,826.56 = 5,529.55/x
  3. Step 3: Cross multiply
    12,551.42x = 18,826.56 × 5,529.55
  4. Step 4: Simplify right side
    12,551.42x = 104,102,404.85
  5. Step 5: Solve for x
    x = 104,102,404.85/12,551.42
  6. Step 6: Final answer
    x = 8,294.07

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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.