Home / 13,601.22-18,769.05-8,011.14

Finding the Fourth Proportional to 13,601.22, 18,769.05 and 8,011.14

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Solution

The fourth proportional to 13,601.22, 18,769.05 and 8,011.14 is: 11,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.22 : 18,769.05 = 8,011.14 : x
  2. Step 2: Convert to fraction form
    13,601.22/18,769.05 = 8,011.14/x
  3. Step 3: Cross multiply
    13,601.22x = 18,769.05 × 8,011.14
  4. Step 4: Simplify right side
    13,601.22x = 150,361,487.22
  5. Step 5: Solve for x
    x = 150,361,487.22/13,601.22
  6. Step 6: Final answer
    x = 11,055.00

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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.