Home / 18,051.45-27,065.64-8,672.81

Finding the Fourth Proportional to 18,051.45, 27,065.64 and 8,672.81

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Solution

The fourth proportional to 18,051.45, 27,065.64 and 8,672.81 is: 13,003.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.45 : 27,065.64 = 8,672.81 : x
  2. Step 2: Convert to fraction form
    18,051.45/27,065.64 = 8,672.81/x
  3. Step 3: Cross multiply
    18,051.45x = 27,065.64 × 8,672.81
  4. Step 4: Simplify right side
    18,051.45x = 234,735,019.23
  5. Step 5: Solve for x
    x = 234,735,019.23/18,051.45
  6. Step 6: Final answer
    x = 13,003.67

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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.