Home / 13,328.50-19,992.77-3,467.76

Finding the Fourth Proportional to 13,328.50, 19,992.77 and 3,467.76

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Solution

The fourth proportional to 13,328.50, 19,992.77 and 3,467.76 is: 5,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.50 : 19,992.77 = 3,467.76 : x
  2. Step 2: Convert to fraction form
    13,328.50/19,992.77 = 3,467.76/x
  3. Step 3: Cross multiply
    13,328.50x = 19,992.77 × 3,467.76
  4. Step 4: Simplify right side
    13,328.50x = 69,330,136.76
  5. Step 5: Solve for x
    x = 69,330,136.76/13,328.50
  6. Step 6: Final answer
    x = 5,201.65

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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.