Home / 9,997.02-14,991.89-3,421.44

Finding the Fourth Proportional to 9,997.02, 14,991.89 and 3,421.44

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Solution

The fourth proportional to 9,997.02, 14,991.89 and 3,421.44 is: 5,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,997.02 : 14,991.89 = 3,421.44 : x
  2. Step 2: Convert to fraction form
    9,997.02/14,991.89 = 3,421.44/x
  3. Step 3: Cross multiply
    9,997.02x = 14,991.89 × 3,421.44
  4. Step 4: Simplify right side
    9,997.02x = 51,293,835.01
  5. Step 5: Solve for x
    x = 51,293,835.01/9,997.02
  6. Step 6: Final answer
    x = 5,130.91

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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.