Home / 10,487.42-15,735.24-3,912.07

Finding the Fourth Proportional to 10,487.42, 15,735.24 and 3,912.07

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Solution

The fourth proportional to 10,487.42, 15,735.24 and 3,912.07 is: 5,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.42 : 15,735.24 = 3,912.07 : x
  2. Step 2: Convert to fraction form
    10,487.42/15,735.24 = 3,912.07/x
  3. Step 3: Cross multiply
    10,487.42x = 15,735.24 × 3,912.07
  4. Step 4: Simplify right side
    10,487.42x = 61,557,383.76
  5. Step 5: Solve for x
    x = 61,557,383.76/10,487.42
  6. Step 6: Final answer
    x = 5,869.64

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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.