Home / 19,154.26-28,714.38-7,475.68

Finding the Fourth Proportional to 19,154.26, 28,714.38 and 7,475.68

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Solution

The fourth proportional to 19,154.26, 28,714.38 and 7,475.68 is: 11,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.26 : 28,714.38 = 7,475.68 : x
  2. Step 2: Convert to fraction form
    19,154.26/28,714.38 = 7,475.68/x
  3. Step 3: Cross multiply
    19,154.26x = 28,714.38 × 7,475.68
  4. Step 4: Simplify right side
    19,154.26x = 214,659,516.28
  5. Step 5: Solve for x
    x = 214,659,516.28/19,154.26
  6. Step 6: Final answer
    x = 11,206.88

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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.