Home / 9,212.14-13,815.68-2,547.05

Finding the Fourth Proportional to 9,212.14, 13,815.68 and 2,547.05

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Solution

The fourth proportional to 9,212.14, 13,815.68 and 2,547.05 is: 3,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.14 : 13,815.68 = 2,547.05 : x
  2. Step 2: Convert to fraction form
    9,212.14/13,815.68 = 2,547.05/x
  3. Step 3: Cross multiply
    9,212.14x = 13,815.68 × 2,547.05
  4. Step 4: Simplify right side
    9,212.14x = 35,189,249.55
  5. Step 5: Solve for x
    x = 35,189,249.55/9,212.14
  6. Step 6: Final answer
    x = 3,819.88

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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.