Home / 14,109.89-19,427.31-11,980.94

Finding the Fourth Proportional to 14,109.89, 19,427.31 and 11,980.94

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Solution

The fourth proportional to 14,109.89, 19,427.31 and 11,980.94 is: 16,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.89 : 19,427.31 = 11,980.94 : x
  2. Step 2: Convert to fraction form
    14,109.89/19,427.31 = 11,980.94/x
  3. Step 3: Cross multiply
    14,109.89x = 19,427.31 × 11,980.94
  4. Step 4: Simplify right side
    14,109.89x = 232,757,338.33
  5. Step 5: Solve for x
    x = 232,757,338.33/14,109.89
  6. Step 6: Final answer
    x = 16,496.05

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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.