Home / 8,744.01-13,119.60-6,415.89

Finding the Fourth Proportional to 8,744.01, 13,119.60 and 6,415.89

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Solution

The fourth proportional to 8,744.01, 13,119.60 and 6,415.89 is: 9,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.01 : 13,119.60 = 6,415.89 : x
  2. Step 2: Convert to fraction form
    8,744.01/13,119.60 = 6,415.89/x
  3. Step 3: Cross multiply
    8,744.01x = 13,119.60 × 6,415.89
  4. Step 4: Simplify right side
    8,744.01x = 84,173,910.44
  5. Step 5: Solve for x
    x = 84,173,910.44/8,744.01
  6. Step 6: Final answer
    x = 9,626.47

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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.