Home / 9,638.35-14,458.20-4,091.07

Finding the Fourth Proportional to 9,638.35, 14,458.20 and 4,091.07

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Solution

The fourth proportional to 9,638.35, 14,458.20 and 4,091.07 is: 6,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.35 : 14,458.20 = 4,091.07 : x
  2. Step 2: Convert to fraction form
    9,638.35/14,458.20 = 4,091.07/x
  3. Step 3: Cross multiply
    9,638.35x = 14,458.20 × 4,091.07
  4. Step 4: Simplify right side
    9,638.35x = 59,149,508.27
  5. Step 5: Solve for x
    x = 59,149,508.27/9,638.35
  6. Step 6: Final answer
    x = 6,136.89

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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.