Home / 13,313.04-19,942.83-6,629.40

Finding the Fourth Proportional to 13,313.04, 19,942.83 and 6,629.40

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Solution

The fourth proportional to 13,313.04, 19,942.83 and 6,629.40 is: 9,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.04 : 19,942.83 = 6,629.40 : x
  2. Step 2: Convert to fraction form
    13,313.04/19,942.83 = 6,629.40/x
  3. Step 3: Cross multiply
    13,313.04x = 19,942.83 × 6,629.40
  4. Step 4: Simplify right side
    13,313.04x = 132,208,997.20
  5. Step 5: Solve for x
    x = 132,208,997.20/13,313.04
  6. Step 6: Final answer
    x = 9,930.79

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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.