Home / 15,790.06-21,797.37-10,415.67

Finding the Fourth Proportional to 15,790.06, 21,797.37 and 10,415.67

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Solution

The fourth proportional to 15,790.06, 21,797.37 and 10,415.67 is: 14,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.06 : 21,797.37 = 10,415.67 : x
  2. Step 2: Convert to fraction form
    15,790.06/21,797.37 = 10,415.67/x
  3. Step 3: Cross multiply
    15,790.06x = 21,797.37 × 10,415.67
  4. Step 4: Simplify right side
    15,790.06x = 227,034,103.80
  5. Step 5: Solve for x
    x = 227,034,103.80/15,790.06
  6. Step 6: Final answer
    x = 14,378.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.