Home / 9,427.64-14,131.46-4,425.78

Finding the Fourth Proportional to 9,427.64, 14,131.46 and 4,425.78

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Solution

The fourth proportional to 9,427.64, 14,131.46 and 4,425.78 is: 6,633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.64 : 14,131.46 = 4,425.78 : x
  2. Step 2: Convert to fraction form
    9,427.64/14,131.46 = 4,425.78/x
  3. Step 3: Cross multiply
    9,427.64x = 14,131.46 × 4,425.78
  4. Step 4: Simplify right side
    9,427.64x = 62,542,710.91
  5. Step 5: Solve for x
    x = 62,542,710.91/9,427.64
  6. Step 6: Final answer
    x = 6,633.98

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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.