Home / 13,134.02-19,679.09-9,231.44

Finding the Fourth Proportional to 13,134.02, 19,679.09 and 9,231.44

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Solution

The fourth proportional to 13,134.02, 19,679.09 and 9,231.44 is: 13,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.02 : 19,679.09 = 9,231.44 : x
  2. Step 2: Convert to fraction form
    13,134.02/19,679.09 = 9,231.44/x
  3. Step 3: Cross multiply
    13,134.02x = 19,679.09 × 9,231.44
  4. Step 4: Simplify right side
    13,134.02x = 181,666,194.04
  5. Step 5: Solve for x
    x = 181,666,194.04/13,134.02
  6. Step 6: Final answer
    x = 13,831.73

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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.