Home / 18,011.96-27,009.29-8,516.37

Finding the Fourth Proportional to 18,011.96, 27,009.29 and 8,516.37

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Solution

The fourth proportional to 18,011.96, 27,009.29 and 8,516.37 is: 12,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.96 : 27,009.29 = 8,516.37 : x
  2. Step 2: Convert to fraction form
    18,011.96/27,009.29 = 8,516.37/x
  3. Step 3: Cross multiply
    18,011.96x = 27,009.29 × 8,516.37
  4. Step 4: Simplify right side
    18,011.96x = 230,021,053.71
  5. Step 5: Solve for x
    x = 230,021,053.71/18,011.96
  6. Step 6: Final answer
    x = 12,770.46

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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.