Home / 13,075.42-19,615.56-4,310.95

Finding the Fourth Proportional to 13,075.42, 19,615.56 and 4,310.95

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Solution

The fourth proportional to 13,075.42, 19,615.56 and 4,310.95 is: 6,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.42 : 19,615.56 = 4,310.95 : x
  2. Step 2: Convert to fraction form
    13,075.42/19,615.56 = 4,310.95/x
  3. Step 3: Cross multiply
    13,075.42x = 19,615.56 × 4,310.95
  4. Step 4: Simplify right side
    13,075.42x = 84,561,698.38
  5. Step 5: Solve for x
    x = 84,561,698.38/13,075.42
  6. Step 6: Final answer
    x = 6,467.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.