Home / 9,109.44-13,664.61-4,176.84

Finding the Fourth Proportional to 9,109.44, 13,664.61 and 4,176.84

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Solution

The fourth proportional to 9,109.44, 13,664.61 and 4,176.84 is: 6,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.44 : 13,664.61 = 4,176.84 : x
  2. Step 2: Convert to fraction form
    9,109.44/13,664.61 = 4,176.84/x
  3. Step 3: Cross multiply
    9,109.44x = 13,664.61 × 4,176.84
  4. Step 4: Simplify right side
    9,109.44x = 57,074,889.63
  5. Step 5: Solve for x
    x = 57,074,889.63/9,109.44
  6. Step 6: Final answer
    x = 6,265.47

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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.