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Finding the Fourth Proportional to 18,168.08, 27,252.10 and 5,020.45

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Solution

The fourth proportional to 18,168.08, 27,252.10 and 5,020.45 is: 7,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.08 : 27,252.10 = 5,020.45 : x
  2. Step 2: Convert to fraction form
    18,168.08/27,252.10 = 5,020.45/x
  3. Step 3: Cross multiply
    18,168.08x = 27,252.10 × 5,020.45
  4. Step 4: Simplify right side
    18,168.08x = 136,817,757.71
  5. Step 5: Solve for x
    x = 136,817,757.71/18,168.08
  6. Step 6: Final answer
    x = 7,530.67

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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.