Home / 12,529.08-18,792.98-4,209.16

Finding the Fourth Proportional to 12,529.08, 18,792.98 and 4,209.16

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Solution

The fourth proportional to 12,529.08, 18,792.98 and 4,209.16 is: 6,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.08 : 18,792.98 = 4,209.16 : x
  2. Step 2: Convert to fraction form
    12,529.08/18,792.98 = 4,209.16/x
  3. Step 3: Cross multiply
    12,529.08x = 18,792.98 × 4,209.16
  4. Step 4: Simplify right side
    12,529.08x = 79,102,659.70
  5. Step 5: Solve for x
    x = 79,102,659.70/12,529.08
  6. Step 6: Final answer
    x = 6,313.52

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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.