Home / 13,941.15-19,239.09-7,973.37

Finding the Fourth Proportional to 13,941.15, 19,239.09 and 7,973.37

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Solution

The fourth proportional to 13,941.15, 19,239.09 and 7,973.37 is: 11,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.15 : 19,239.09 = 7,973.37 : x
  2. Step 2: Convert to fraction form
    13,941.15/19,239.09 = 7,973.37/x
  3. Step 3: Cross multiply
    13,941.15x = 19,239.09 × 7,973.37
  4. Step 4: Simplify right side
    13,941.15x = 153,400,383.03
  5. Step 5: Solve for x
    x = 153,400,383.03/13,941.15
  6. Step 6: Final answer
    x = 11,003.42

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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.