Home / 13,895.69-19,179.02-8,858.75

Finding the Fourth Proportional to 13,895.69, 19,179.02 and 8,858.75

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Solution

The fourth proportional to 13,895.69, 19,179.02 and 8,858.75 is: 12,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.69 : 19,179.02 = 8,858.75 : x
  2. Step 2: Convert to fraction form
    13,895.69/19,179.02 = 8,858.75/x
  3. Step 3: Cross multiply
    13,895.69x = 19,179.02 × 8,858.75
  4. Step 4: Simplify right side
    13,895.69x = 169,902,069.68
  5. Step 5: Solve for x
    x = 169,902,069.68/13,895.69
  6. Step 6: Final answer
    x = 12,226.97

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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.