Home / 12,750.56-19,086.24-8,075.36

Finding the Fourth Proportional to 12,750.56, 19,086.24 and 8,075.36

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Solution

The fourth proportional to 12,750.56, 19,086.24 and 8,075.36 is: 12,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.56 : 19,086.24 = 8,075.36 : x
  2. Step 2: Convert to fraction form
    12,750.56/19,086.24 = 8,075.36/x
  3. Step 3: Cross multiply
    12,750.56x = 19,086.24 × 8,075.36
  4. Step 4: Simplify right side
    12,750.56x = 154,128,259.05
  5. Step 5: Solve for x
    x = 154,128,259.05/12,750.56
  6. Step 6: Final answer
    x = 12,087.96

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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.