Home / 14,043.68-21,047.30-5,714.00

Finding the Fourth Proportional to 14,043.68, 21,047.30 and 5,714.00

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Solution

The fourth proportional to 14,043.68, 21,047.30 and 5,714.00 is: 8,563.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.68 : 21,047.30 = 5,714.00 : x
  2. Step 2: Convert to fraction form
    14,043.68/21,047.30 = 5,714.00/x
  3. Step 3: Cross multiply
    14,043.68x = 21,047.30 × 5,714.00
  4. Step 4: Simplify right side
    14,043.68x = 120,264,138.39
  5. Step 5: Solve for x
    x = 120,264,138.39/14,043.68
  6. Step 6: Final answer
    x = 8,563.58

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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.