Home / 9,687.14-14,529.36-3,113.90

Finding the Fourth Proportional to 9,687.14, 14,529.36 and 3,113.90

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Solution

The fourth proportional to 9,687.14, 14,529.36 and 3,113.90 is: 4,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.14 : 14,529.36 = 3,113.90 : x
  2. Step 2: Convert to fraction form
    9,687.14/14,529.36 = 3,113.90/x
  3. Step 3: Cross multiply
    9,687.14x = 14,529.36 × 3,113.90
  4. Step 4: Simplify right side
    9,687.14x = 45,242,974.10
  5. Step 5: Solve for x
    x = 45,242,974.10/9,687.14
  6. Step 6: Final answer
    x = 4,670.42

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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.