Home / 14,075.20-19,418.56-8,104

Finding the Fourth Proportional to 14,075.20, 19,418.56 and 8,104

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Solution

The fourth proportional to 14,075.20, 19,418.56 and 8,104 is: 11,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.20 : 19,418.56 = 8,104 : x
  2. Step 2: Convert to fraction form
    14,075.20/19,418.56 = 8,104/x
  3. Step 3: Cross multiply
    14,075.20x = 19,418.56 × 8,104
  4. Step 4: Simplify right side
    14,075.20x = 157,368,010.24
  5. Step 5: Solve for x
    x = 157,368,010.24/14,075.20
  6. Step 6: Final answer
    x = 11,180.52

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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.