Home / 14,285.52-19,714.44-7,997.90

Finding the Fourth Proportional to 14,285.52, 19,714.44 and 7,997.90

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Solution

The fourth proportional to 14,285.52, 19,714.44 and 7,997.90 is: 11,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.52 : 19,714.44 = 7,997.90 : x
  2. Step 2: Convert to fraction form
    14,285.52/19,714.44 = 7,997.90/x
  3. Step 3: Cross multiply
    14,285.52x = 19,714.44 × 7,997.90
  4. Step 4: Simplify right side
    14,285.52x = 157,674,021.10
  5. Step 5: Solve for x
    x = 157,674,021.10/14,285.52
  6. Step 6: Final answer
    x = 11,037.33

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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.