Home / 10,394.68-15,582.30-3,819.10

Finding the Fourth Proportional to 10,394.68, 15,582.30 and 3,819.10

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Solution

The fourth proportional to 10,394.68, 15,582.30 and 3,819.10 is: 5,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.68 : 15,582.30 = 3,819.10 : x
  2. Step 2: Convert to fraction form
    10,394.68/15,582.30 = 3,819.10/x
  3. Step 3: Cross multiply
    10,394.68x = 15,582.30 × 3,819.10
  4. Step 4: Simplify right side
    10,394.68x = 59,510,361.93
  5. Step 5: Solve for x
    x = 59,510,361.93/10,394.68
  6. Step 6: Final answer
    x = 5,725.08

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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.