Home / 12,529.10-18,792.98-4,209.18

Finding the Fourth Proportional to 12,529.10, 18,792.98 and 4,209.18

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Solution

The fourth proportional to 12,529.10, 18,792.98 and 4,209.18 is: 6,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.10 : 18,792.98 = 4,209.18 : x
  2. Step 2: Convert to fraction form
    12,529.10/18,792.98 = 4,209.18/x
  3. Step 3: Cross multiply
    12,529.10x = 18,792.98 × 4,209.18
  4. Step 4: Simplify right side
    12,529.10x = 79,103,035.56
  5. Step 5: Solve for x
    x = 79,103,035.56/12,529.10
  6. Step 6: Final answer
    x = 6,313.54

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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.