Home / 13,277.57-18,322.34-7,308.09

Finding the Fourth Proportional to 13,277.57, 18,322.34 and 7,308.09

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Solution

The fourth proportional to 13,277.57, 18,322.34 and 7,308.09 is: 10,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.57 : 18,322.34 = 7,308.09 : x
  2. Step 2: Convert to fraction form
    13,277.57/18,322.34 = 7,308.09/x
  3. Step 3: Cross multiply
    13,277.57x = 18,322.34 × 7,308.09
  4. Step 4: Simplify right side
    13,277.57x = 133,901,334.85
  5. Step 5: Solve for x
    x = 133,901,334.85/13,277.57
  6. Step 6: Final answer
    x = 10,084.78

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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.