Home / 13,850.06-20,777.81-5,085.05

Finding the Fourth Proportional to 13,850.06, 20,777.81 and 5,085.05

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Solution

The fourth proportional to 13,850.06, 20,777.81 and 5,085.05 is: 7,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.06 : 20,777.81 = 5,085.05 : x
  2. Step 2: Convert to fraction form
    13,850.06/20,777.81 = 5,085.05/x
  3. Step 3: Cross multiply
    13,850.06x = 20,777.81 × 5,085.05
  4. Step 4: Simplify right side
    13,850.06x = 105,656,202.74
  5. Step 5: Solve for x
    x = 105,656,202.74/13,850.06
  6. Step 6: Final answer
    x = 7,628.57

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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.