Home / 13,156.56-19,734.84-3,922.56

Finding the Fourth Proportional to 13,156.56, 19,734.84 and 3,922.56

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Solution

The fourth proportional to 13,156.56, 19,734.84 and 3,922.56 is: 5,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.56 : 19,734.84 = 3,922.56 : x
  2. Step 2: Convert to fraction form
    13,156.56/19,734.84 = 3,922.56/x
  3. Step 3: Cross multiply
    13,156.56x = 19,734.84 × 3,922.56
  4. Step 4: Simplify right side
    13,156.56x = 77,411,093.99
  5. Step 5: Solve for x
    x = 77,411,093.99/13,156.56
  6. Step 6: Final answer
    x = 5,883.84

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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.