Home / 9,429.38-14,144.36-3,507.74

Finding the Fourth Proportional to 9,429.38, 14,144.36 and 3,507.74

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Solution

The fourth proportional to 9,429.38, 14,144.36 and 3,507.74 is: 5,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.38 : 14,144.36 = 3,507.74 : x
  2. Step 2: Convert to fraction form
    9,429.38/14,144.36 = 3,507.74/x
  3. Step 3: Cross multiply
    9,429.38x = 14,144.36 × 3,507.74
  4. Step 4: Simplify right side
    9,429.38x = 49,614,649.09
  5. Step 5: Solve for x
    x = 49,614,649.09/9,429.38
  6. Step 6: Final answer
    x = 5,261.71

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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.