Home / 15,441.44-21,308.82-8,726

Finding the Fourth Proportional to 15,441.44, 21,308.82 and 8,726

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Solution

The fourth proportional to 15,441.44, 21,308.82 and 8,726 is: 12,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.44 : 21,308.82 = 8,726 : x
  2. Step 2: Convert to fraction form
    15,441.44/21,308.82 = 8,726/x
  3. Step 3: Cross multiply
    15,441.44x = 21,308.82 × 8,726
  4. Step 4: Simplify right side
    15,441.44x = 185,940,763.32
  5. Step 5: Solve for x
    x = 185,940,763.32/15,441.44
  6. Step 6: Final answer
    x = 12,041.67

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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.