Home / 14,846.31-20,488.21-8,131.88

Finding the Fourth Proportional to 14,846.31, 20,488.21 and 8,131.88

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Solution

The fourth proportional to 14,846.31, 20,488.21 and 8,131.88 is: 11,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846.31 : 20,488.21 = 8,131.88 : x
  2. Step 2: Convert to fraction form
    14,846.31/20,488.21 = 8,131.88/x
  3. Step 3: Cross multiply
    14,846.31x = 20,488.21 × 8,131.88
  4. Step 4: Simplify right side
    14,846.31x = 166,607,696.03
  5. Step 5: Solve for x
    x = 166,607,696.03/14,846.31
  6. Step 6: Final answer
    x = 11,222.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.