Home / 9,558.21-14,339.36-3,318.42

Finding the Fourth Proportional to 9,558.21, 14,339.36 and 3,318.42

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Solution

The fourth proportional to 9,558.21, 14,339.36 and 3,318.42 is: 4,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,558.21 : 14,339.36 = 3,318.42 : x
  2. Step 2: Convert to fraction form
    9,558.21/14,339.36 = 3,318.42/x
  3. Step 3: Cross multiply
    9,558.21x = 14,339.36 × 3,318.42
  4. Step 4: Simplify right side
    9,558.21x = 47,584,019.01
  5. Step 5: Solve for x
    x = 47,584,019.01/9,558.21
  6. Step 6: Final answer
    x = 4,978.34

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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.