Home / 13,206.08-19,782.24-11,035.20

Finding the Fourth Proportional to 13,206.08, 19,782.24 and 11,035.20

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Solution

The fourth proportional to 13,206.08, 19,782.24 and 11,035.20 is: 16,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.08 : 19,782.24 = 11,035.20 : x
  2. Step 2: Convert to fraction form
    13,206.08/19,782.24 = 11,035.20/x
  3. Step 3: Cross multiply
    13,206.08x = 19,782.24 × 11,035.20
  4. Step 4: Simplify right side
    13,206.08x = 218,300,974.85
  5. Step 5: Solve for x
    x = 218,300,974.85/13,206.08
  6. Step 6: Final answer
    x = 16,530.34

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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.