Home / 10,429.44-14,352.84-8,396.88

Finding the Fourth Proportional to 10,429.44, 14,352.84 and 8,396.88

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Solution

The fourth proportional to 10,429.44, 14,352.84 and 8,396.88 is: 11,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.44 : 14,352.84 = 8,396.88 : x
  2. Step 2: Convert to fraction form
    10,429.44/14,352.84 = 8,396.88/x
  3. Step 3: Cross multiply
    10,429.44x = 14,352.84 × 8,396.88
  4. Step 4: Simplify right side
    10,429.44x = 120,519,075.14
  5. Step 5: Solve for x
    x = 120,519,075.14/10,429.44
  6. Step 6: Final answer
    x = 11,555.66

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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.