Home / 15,512.84-23,255.37-5,645.15

Finding the Fourth Proportional to 15,512.84, 23,255.37 and 5,645.15

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Solution

The fourth proportional to 15,512.84, 23,255.37 and 5,645.15 is: 8,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.84 : 23,255.37 = 5,645.15 : x
  2. Step 2: Convert to fraction form
    15,512.84/23,255.37 = 5,645.15/x
  3. Step 3: Cross multiply
    15,512.84x = 23,255.37 × 5,645.15
  4. Step 4: Simplify right side
    15,512.84x = 131,280,051.96
  5. Step 5: Solve for x
    x = 131,280,051.96/15,512.84
  6. Step 6: Final answer
    x = 8,462.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.