Home / 13,939.13-19,233.11-8,273.07

Finding the Fourth Proportional to 13,939.13, 19,233.11 and 8,273.07

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Solution

The fourth proportional to 13,939.13, 19,233.11 and 8,273.07 is: 11,415.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.13 : 19,233.11 = 8,273.07 : x
  2. Step 2: Convert to fraction form
    13,939.13/19,233.11 = 8,273.07/x
  3. Step 3: Cross multiply
    13,939.13x = 19,233.11 × 8,273.07
  4. Step 4: Simplify right side
    13,939.13x = 159,116,865.35
  5. Step 5: Solve for x
    x = 159,116,865.35/13,939.13
  6. Step 6: Final answer
    x = 11,415.12

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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.