Home / 13,313.37-19,974.22-3,953.43

Finding the Fourth Proportional to 13,313.37, 19,974.22 and 3,953.43

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Solution

The fourth proportional to 13,313.37, 19,974.22 and 3,953.43 is: 5,931.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.37 : 19,974.22 = 3,953.43 : x
  2. Step 2: Convert to fraction form
    13,313.37/19,974.22 = 3,953.43/x
  3. Step 3: Cross multiply
    13,313.37x = 19,974.22 × 3,953.43
  4. Step 4: Simplify right side
    13,313.37x = 78,966,680.57
  5. Step 5: Solve for x
    x = 78,966,680.57/13,313.37
  6. Step 6: Final answer
    x = 5,931.38

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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.