Home / 8,926.21-13,450.59-7,400.44

Finding the Fourth Proportional to 8,926.21, 13,450.59 and 7,400.44

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Solution

The fourth proportional to 8,926.21, 13,450.59 and 7,400.44 is: 11,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.21 : 13,450.59 = 7,400.44 : x
  2. Step 2: Convert to fraction form
    8,926.21/13,450.59 = 7,400.44/x
  3. Step 3: Cross multiply
    8,926.21x = 13,450.59 × 7,400.44
  4. Step 4: Simplify right side
    8,926.21x = 99,540,284.26
  5. Step 5: Solve for x
    x = 99,540,284.26/8,926.21
  6. Step 6: Final answer
    x = 11,151.46

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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.