Home / 19,168.16-28,742.50-8,771

Finding the Fourth Proportional to 19,168.16, 28,742.50 and 8,771

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Solution

The fourth proportional to 19,168.16, 28,742.50 and 8,771 is: 13,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.16 : 28,742.50 = 8,771 : x
  2. Step 2: Convert to fraction form
    19,168.16/28,742.50 = 8,771/x
  3. Step 3: Cross multiply
    19,168.16x = 28,742.50 × 8,771
  4. Step 4: Simplify right side
    19,168.16x = 252,100,467.50
  5. Step 5: Solve for x
    x = 252,100,467.50/19,168.16
  6. Step 6: Final answer
    x = 13,152.04

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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.