Home / 12,075.20-16,663.74-6,769.97

Finding the Fourth Proportional to 12,075.20, 16,663.74 and 6,769.97

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Solution

The fourth proportional to 12,075.20, 16,663.74 and 6,769.97 is: 9,342.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.20 : 16,663.74 = 6,769.97 : x
  2. Step 2: Convert to fraction form
    12,075.20/16,663.74 = 6,769.97/x
  3. Step 3: Cross multiply
    12,075.20x = 16,663.74 × 6,769.97
  4. Step 4: Simplify right side
    12,075.20x = 112,813,019.89
  5. Step 5: Solve for x
    x = 112,813,019.89/12,075.20
  6. Step 6: Final answer
    x = 9,342.54

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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.