Home / 20,714.00-31,075.06-8,231.70

Finding the Fourth Proportional to 20,714.00, 31,075.06 and 8,231.70

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Solution

The fourth proportional to 20,714.00, 31,075.06 and 8,231.70 is: 12,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.00 : 31,075.06 = 8,231.70 : x
  2. Step 2: Convert to fraction form
    20,714.00/31,075.06 = 8,231.70/x
  3. Step 3: Cross multiply
    20,714.00x = 31,075.06 × 8,231.70
  4. Step 4: Simplify right side
    20,714.00x = 255,800,395.45
  5. Step 5: Solve for x
    x = 255,800,395.45/20,714.00
  6. Step 6: Final answer
    x = 12,349.16

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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.