Home / 13,850.84-20,777.69-4,490.48

Finding the Fourth Proportional to 13,850.84, 20,777.69 and 4,490.48

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Solution

The fourth proportional to 13,850.84, 20,777.69 and 4,490.48 is: 6,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.84 : 20,777.69 = 4,490.48 : x
  2. Step 2: Convert to fraction form
    13,850.84/20,777.69 = 4,490.48/x
  3. Step 3: Cross multiply
    13,850.84x = 20,777.69 × 4,490.48
  4. Step 4: Simplify right side
    13,850.84x = 93,301,864.56
  5. Step 5: Solve for x
    x = 93,301,864.56/13,850.84
  6. Step 6: Final answer
    x = 6,736.19

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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.