Home / 14,042.41-19,378.50-8,075.23

Finding the Fourth Proportional to 14,042.41, 19,378.50 and 8,075.23

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Solution

The fourth proportional to 14,042.41, 19,378.50 and 8,075.23 is: 11,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.41 : 19,378.50 = 8,075.23 : x
  2. Step 2: Convert to fraction form
    14,042.41/19,378.50 = 8,075.23/x
  3. Step 3: Cross multiply
    14,042.41x = 19,378.50 × 8,075.23
  4. Step 4: Simplify right side
    14,042.41x = 156,485,844.56
  5. Step 5: Solve for x
    x = 156,485,844.56/14,042.41
  6. Step 6: Final answer
    x = 11,143.80

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1.5x scale

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.