Home / 12,395.02-17,098.79-7,914.06

Finding the Fourth Proportional to 12,395.02, 17,098.79 and 7,914.06

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Solution

The fourth proportional to 12,395.02, 17,098.79 and 7,914.06 is: 10,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.02 : 17,098.79 = 7,914.06 : x
  2. Step 2: Convert to fraction form
    12,395.02/17,098.79 = 7,914.06/x
  3. Step 3: Cross multiply
    12,395.02x = 17,098.79 × 7,914.06
  4. Step 4: Simplify right side
    12,395.02x = 135,320,849.99
  5. Step 5: Solve for x
    x = 135,320,849.99/12,395.02
  6. Step 6: Final answer
    x = 10,917.36

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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.