Home / 20,676.20-31,014.30-14,844.20

Finding the Fourth Proportional to 20,676.20, 31,014.30 and 14,844.20

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Solution

The fourth proportional to 20,676.20, 31,014.30 and 14,844.20 is: 22,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.20 : 31,014.30 = 14,844.20 : x
  2. Step 2: Convert to fraction form
    20,676.20/31,014.30 = 14,844.20/x
  3. Step 3: Cross multiply
    20,676.20x = 31,014.30 × 14,844.20
  4. Step 4: Simplify right side
    20,676.20x = 460,382,472.06
  5. Step 5: Solve for x
    x = 460,382,472.06/20,676.20
  6. Step 6: Final answer
    x = 22,266.30

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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.