Home / 12,529.85-18,794.11-4,209.93

Finding the Fourth Proportional to 12,529.85, 18,794.11 and 4,209.93

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Solution

The fourth proportional to 12,529.85, 18,794.11 and 4,209.93 is: 6,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.85 : 18,794.11 = 4,209.93 : x
  2. Step 2: Convert to fraction form
    12,529.85/18,794.11 = 4,209.93/x
  3. Step 3: Cross multiply
    12,529.85x = 18,794.11 × 4,209.93
  4. Step 4: Simplify right side
    12,529.85x = 79,121,887.51
  5. Step 5: Solve for x
    x = 79,121,887.51/12,529.85
  6. Step 6: Final answer
    x = 6,314.67

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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.