Home / 8,020.38-12,075.15-6,948.75

Finding the Fourth Proportional to 8,020.38, 12,075.15 and 6,948.75

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Solution

The fourth proportional to 8,020.38, 12,075.15 and 6,948.75 is: 10,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.38 : 12,075.15 = 6,948.75 : x
  2. Step 2: Convert to fraction form
    8,020.38/12,075.15 = 6,948.75/x
  3. Step 3: Cross multiply
    8,020.38x = 12,075.15 × 6,948.75
  4. Step 4: Simplify right side
    8,020.38x = 83,907,198.56
  5. Step 5: Solve for x
    x = 83,907,198.56/8,020.38
  6. Step 6: Final answer
    x = 10,461.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.