Home / 14,009.82-19,317.75-13,687.26

Finding the Fourth Proportional to 14,009.82, 19,317.75 and 13,687.26

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Solution

The fourth proportional to 14,009.82, 19,317.75 and 13,687.26 is: 18,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.82 : 19,317.75 = 13,687.26 : x
  2. Step 2: Convert to fraction form
    14,009.82/19,317.75 = 13,687.26/x
  3. Step 3: Cross multiply
    14,009.82x = 19,317.75 × 13,687.26
  4. Step 4: Simplify right side
    14,009.82x = 264,407,066.87
  5. Step 5: Solve for x
    x = 264,407,066.87/14,009.82
  6. Step 6: Final answer
    x = 18,872.98

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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.