Home / 9,329.44-13,994.16-3,087.78

Finding the Fourth Proportional to 9,329.44, 13,994.16 and 3,087.78

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Solution

The fourth proportional to 9,329.44, 13,994.16 and 3,087.78 is: 4,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.44 : 13,994.16 = 3,087.78 : x
  2. Step 2: Convert to fraction form
    9,329.44/13,994.16 = 3,087.78/x
  3. Step 3: Cross multiply
    9,329.44x = 13,994.16 × 3,087.78
  4. Step 4: Simplify right side
    9,329.44x = 43,210,887.36
  5. Step 5: Solve for x
    x = 43,210,887.36/9,329.44
  6. Step 6: Final answer
    x = 4,631.67

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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.