Home / 9,385.25-14,063.05-7,621.67

Finding the Fourth Proportional to 9,385.25, 14,063.05 and 7,621.67

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Solution

The fourth proportional to 9,385.25, 14,063.05 and 7,621.67 is: 11,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.25 : 14,063.05 = 7,621.67 : x
  2. Step 2: Convert to fraction form
    9,385.25/14,063.05 = 7,621.67/x
  3. Step 3: Cross multiply
    9,385.25x = 14,063.05 × 7,621.67
  4. Step 4: Simplify right side
    9,385.25x = 107,183,942.14
  5. Step 5: Solve for x
    x = 107,183,942.14/9,385.25
  6. Step 6: Final answer
    x = 11,420.47

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1.5x scale

Why These Related Problems?

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