Home / 9,738.76-13,439.55-7,376.80

Finding the Fourth Proportional to 9,738.76, 13,439.55 and 7,376.80

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Solution

The fourth proportional to 9,738.76, 13,439.55 and 7,376.80 is: 10,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.76 : 13,439.55 = 7,376.80 : x
  2. Step 2: Convert to fraction form
    9,738.76/13,439.55 = 7,376.80/x
  3. Step 3: Cross multiply
    9,738.76x = 13,439.55 × 7,376.80
  4. Step 4: Simplify right side
    9,738.76x = 99,140,872.44
  5. Step 5: Solve for x
    x = 99,140,872.44/9,738.76
  6. Step 6: Final answer
    x = 10,180.03

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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.