Home / 16,769.50-23,151.63-11,190.22

Finding the Fourth Proportional to 16,769.50, 23,151.63 and 11,190.22

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Solution

The fourth proportional to 16,769.50, 23,151.63 and 11,190.22 is: 15,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.50 : 23,151.63 = 11,190.22 : x
  2. Step 2: Convert to fraction form
    16,769.50/23,151.63 = 11,190.22/x
  3. Step 3: Cross multiply
    16,769.50x = 23,151.63 × 11,190.22
  4. Step 4: Simplify right side
    16,769.50x = 259,071,833.06
  5. Step 5: Solve for x
    x = 259,071,833.06/16,769.50
  6. Step 6: Final answer
    x = 15,448.99

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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.