Home / 13,846.89-20,778.63-5,082.69

Finding the Fourth Proportional to 13,846.89, 20,778.63 and 5,082.69

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Solution

The fourth proportional to 13,846.89, 20,778.63 and 5,082.69 is: 7,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.89 : 20,778.63 = 5,082.69 : x
  2. Step 2: Convert to fraction form
    13,846.89/20,778.63 = 5,082.69/x
  3. Step 3: Cross multiply
    13,846.89x = 20,778.63 × 5,082.69
  4. Step 4: Simplify right side
    13,846.89x = 105,611,334.91
  5. Step 5: Solve for x
    x = 105,611,334.91/13,846.89
  6. Step 6: Final answer
    x = 7,627.08

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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.