Home / 13,283.37-18,330.32-7,313.91

Finding the Fourth Proportional to 13,283.37, 18,330.32 and 7,313.91

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Solution

The fourth proportional to 13,283.37, 18,330.32 and 7,313.91 is: 10,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.37 : 18,330.32 = 7,313.91 : x
  2. Step 2: Convert to fraction form
    13,283.37/18,330.32 = 7,313.91/x
  3. Step 3: Cross multiply
    13,283.37x = 18,330.32 × 7,313.91
  4. Step 4: Simplify right side
    13,283.37x = 134,066,310.75
  5. Step 5: Solve for x
    x = 134,066,310.75/13,283.37
  6. Step 6: Final answer
    x = 10,092.79

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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.