Home / 13,998.67-19,305.48-9,274.75

Finding the Fourth Proportional to 13,998.67, 19,305.48 and 9,274.75

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Solution

The fourth proportional to 13,998.67, 19,305.48 and 9,274.75 is: 12,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.67 : 19,305.48 = 9,274.75 : x
  2. Step 2: Convert to fraction form
    13,998.67/19,305.48 = 9,274.75/x
  3. Step 3: Cross multiply
    13,998.67x = 19,305.48 × 9,274.75
  4. Step 4: Simplify right side
    13,998.67x = 179,053,500.63
  5. Step 5: Solve for x
    x = 179,053,500.63/13,998.67
  6. Step 6: Final answer
    x = 12,790.75

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Half scale
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Double scale
Find fourth proportional to 13,999.67, 19,306.86 and 9,275.75
Similar ratio
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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.