Home / 13,536.06-18,669.42-11,650.80

Finding the Fourth Proportional to 13,536.06, 18,669.42 and 11,650.80

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Solution

The fourth proportional to 13,536.06, 18,669.42 and 11,650.80 is: 16,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.06 : 18,669.42 = 11,650.80 : x
  2. Step 2: Convert to fraction form
    13,536.06/18,669.42 = 11,650.80/x
  3. Step 3: Cross multiply
    13,536.06x = 18,669.42 × 11,650.80
  4. Step 4: Simplify right side
    13,536.06x = 217,513,678.54
  5. Step 5: Solve for x
    x = 217,513,678.54/13,536.06
  6. Step 6: Final answer
    x = 16,069.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.