Home / 10,363.74-15,542.73-3,438.30

Finding the Fourth Proportional to 10,363.74, 15,542.73 and 3,438.30

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Solution

The fourth proportional to 10,363.74, 15,542.73 and 3,438.30 is: 5,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.74 : 15,542.73 = 3,438.30 : x
  2. Step 2: Convert to fraction form
    10,363.74/15,542.73 = 3,438.30/x
  3. Step 3: Cross multiply
    10,363.74x = 15,542.73 × 3,438.30
  4. Step 4: Simplify right side
    10,363.74x = 53,440,568.56
  5. Step 5: Solve for x
    x = 53,440,568.56/10,363.74
  6. Step 6: Final answer
    x = 5,156.49

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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.