Home / 14,265.06-19,687.16-7,977.44

Finding the Fourth Proportional to 14,265.06, 19,687.16 and 7,977.44

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Solution

The fourth proportional to 14,265.06, 19,687.16 and 7,977.44 is: 11,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.06 : 19,687.16 = 7,977.44 : x
  2. Step 2: Convert to fraction form
    14,265.06/19,687.16 = 7,977.44/x
  3. Step 3: Cross multiply
    14,265.06x = 19,687.16 × 7,977.44
  4. Step 4: Simplify right side
    14,265.06x = 157,053,137.67
  5. Step 5: Solve for x
    x = 157,053,137.67/14,265.06
  6. Step 6: Final answer
    x = 11,009.64

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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.