Home / 13,942.64-19,239.65-7,973.35

Finding the Fourth Proportional to 13,942.64, 19,239.65 and 7,973.35

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Solution

The fourth proportional to 13,942.64, 19,239.65 and 7,973.35 is: 11,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.64 : 19,239.65 = 7,973.35 : x
  2. Step 2: Convert to fraction form
    13,942.64/19,239.65 = 7,973.35/x
  3. Step 3: Cross multiply
    13,942.64x = 19,239.65 × 7,973.35
  4. Step 4: Simplify right side
    13,942.64x = 153,404,463.33
  5. Step 5: Solve for x
    x = 153,404,463.33/13,942.64
  6. Step 6: Final answer
    x = 11,002.54

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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.