Home / 14,027-19,357.28-7,739.80

Finding the Fourth Proportional to 14,027, 19,357.28 and 7,739.80

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Solution

The fourth proportional to 14,027, 19,357.28 and 7,739.80 is: 10,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027 : 19,357.28 = 7,739.80 : x
  2. Step 2: Convert to fraction form
    14,027/19,357.28 = 7,739.80/x
  3. Step 3: Cross multiply
    14,027x = 19,357.28 × 7,739.80
  4. Step 4: Simplify right side
    14,027x = 149,821,475.74
  5. Step 5: Solve for x
    x = 149,821,475.74/14,027
  6. Step 6: Final answer
    x = 10,680.94

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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.