Home / 9,819.38-14,725.76-3,154.24

Finding the Fourth Proportional to 9,819.38, 14,725.76 and 3,154.24

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Solution

The fourth proportional to 9,819.38, 14,725.76 and 3,154.24 is: 4,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.38 : 14,725.76 = 3,154.24 : x
  2. Step 2: Convert to fraction form
    9,819.38/14,725.76 = 3,154.24/x
  3. Step 3: Cross multiply
    9,819.38x = 14,725.76 × 3,154.24
  4. Step 4: Simplify right side
    9,819.38x = 46,448,579.90
  5. Step 5: Solve for x
    x = 46,448,579.90/9,819.38
  6. Step 6: Final answer
    x = 4,730.30

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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.