Home / 11,845.32-17,761.77-5,915.85

Finding the Fourth Proportional to 11,845.32, 17,761.77 and 5,915.85

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Solution

The fourth proportional to 11,845.32, 17,761.77 and 5,915.85 is: 8,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.32 : 17,761.77 = 5,915.85 : x
  2. Step 2: Convert to fraction form
    11,845.32/17,761.77 = 5,915.85/x
  3. Step 3: Cross multiply
    11,845.32x = 17,761.77 × 5,915.85
  4. Step 4: Simplify right side
    11,845.32x = 105,075,967.05
  5. Step 5: Solve for x
    x = 105,075,967.05/11,845.32
  6. Step 6: Final answer
    x = 8,870.67

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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.