Home / 18,740.04-28,082.22-7,633.14

Finding the Fourth Proportional to 18,740.04, 28,082.22 and 7,633.14

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Solution

The fourth proportional to 18,740.04, 28,082.22 and 7,633.14 is: 11,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.04 : 28,082.22 = 7,633.14 : x
  2. Step 2: Convert to fraction form
    18,740.04/28,082.22 = 7,633.14/x
  3. Step 3: Cross multiply
    18,740.04x = 28,082.22 × 7,633.14
  4. Step 4: Simplify right side
    18,740.04x = 214,355,516.77
  5. Step 5: Solve for x
    x = 214,355,516.77/18,740.04
  6. Step 6: Final answer
    x = 11,438.37

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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.