Home / 15,069.21-20,794.67-8,354.44

Finding the Fourth Proportional to 15,069.21, 20,794.67 and 8,354.44

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Solution

The fourth proportional to 15,069.21, 20,794.67 and 8,354.44 is: 11,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.21 : 20,794.67 = 8,354.44 : x
  2. Step 2: Convert to fraction form
    15,069.21/20,794.67 = 8,354.44/x
  3. Step 3: Cross multiply
    15,069.21x = 20,794.67 × 8,354.44
  4. Step 4: Simplify right side
    15,069.21x = 173,727,822.83
  5. Step 5: Solve for x
    x = 173,727,822.83/15,069.21
  6. Step 6: Final answer
    x = 11,528.67

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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.