Home / 8,075.10-12,112.65-6,908.70

Finding the Fourth Proportional to 8,075.10, 12,112.65 and 6,908.70

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Solution

The fourth proportional to 8,075.10, 12,112.65 and 6,908.70 is: 10,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075.10 : 12,112.65 = 6,908.70 : x
  2. Step 2: Convert to fraction form
    8,075.10/12,112.65 = 6,908.70/x
  3. Step 3: Cross multiply
    8,075.10x = 12,112.65 × 6,908.70
  4. Step 4: Simplify right side
    8,075.10x = 83,682,665.06
  5. Step 5: Solve for x
    x = 83,682,665.06/8,075.10
  6. Step 6: Final answer
    x = 10,363.05

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Similar ratio
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1.5x scale

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.