Home / 13,307.89-19,974.21-6,738.73

Finding the Fourth Proportional to 13,307.89, 19,974.21 and 6,738.73

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Solution

The fourth proportional to 13,307.89, 19,974.21 and 6,738.73 is: 10,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.89 : 19,974.21 = 6,738.73 : x
  2. Step 2: Convert to fraction form
    13,307.89/19,974.21 = 6,738.73/x
  3. Step 3: Cross multiply
    13,307.89x = 19,974.21 × 6,738.73
  4. Step 4: Simplify right side
    13,307.89x = 134,600,808.15
  5. Step 5: Solve for x
    x = 134,600,808.15/13,307.89
  6. Step 6: Final answer
    x = 10,114.36

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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.