Home / 10,424.60-15,637.40-3,404.61

Finding the Fourth Proportional to 10,424.60, 15,637.40 and 3,404.61

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Solution

The fourth proportional to 10,424.60, 15,637.40 and 3,404.61 is: 5,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.60 : 15,637.40 = 3,404.61 : x
  2. Step 2: Convert to fraction form
    10,424.60/15,637.40 = 3,404.61/x
  3. Step 3: Cross multiply
    10,424.60x = 15,637.40 × 3,404.61
  4. Step 4: Simplify right side
    10,424.60x = 53,239,219.33
  5. Step 5: Solve for x
    x = 53,239,219.33/10,424.60
  6. Step 6: Final answer
    x = 5,107.08

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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.