Home / 13,850.48-19,113.62-7,562.90

Finding the Fourth Proportional to 13,850.48, 19,113.62 and 7,562.90

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Solution

The fourth proportional to 13,850.48, 19,113.62 and 7,562.90 is: 10,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.48 : 19,113.62 = 7,562.90 : x
  2. Step 2: Convert to fraction form
    13,850.48/19,113.62 = 7,562.90/x
  3. Step 3: Cross multiply
    13,850.48x = 19,113.62 × 7,562.90
  4. Step 4: Simplify right side
    13,850.48x = 144,554,396.70
  5. Step 5: Solve for x
    x = 144,554,396.70/13,850.48
  6. Step 6: Final answer
    x = 10,436.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.