Home / 9,638.32-14,459.36-4,091.64

Finding the Fourth Proportional to 9,638.32, 14,459.36 and 4,091.64

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Solution

The fourth proportional to 9,638.32, 14,459.36 and 4,091.64 is: 6,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.32 : 14,459.36 = 4,091.64 : x
  2. Step 2: Convert to fraction form
    9,638.32/14,459.36 = 4,091.64/x
  3. Step 3: Cross multiply
    9,638.32x = 14,459.36 × 4,091.64
  4. Step 4: Simplify right side
    9,638.32x = 59,162,495.75
  5. Step 5: Solve for x
    x = 59,162,495.75/9,638.32
  6. Step 6: Final answer
    x = 6,138.26

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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.