Home / 13,277.54-18,322.35-7,309.73

Finding the Fourth Proportional to 13,277.54, 18,322.35 and 7,309.73

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Solution

The fourth proportional to 13,277.54, 18,322.35 and 7,309.73 is: 10,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.54 : 18,322.35 = 7,309.73 : x
  2. Step 2: Convert to fraction form
    13,277.54/18,322.35 = 7,309.73/x
  3. Step 3: Cross multiply
    13,277.54x = 18,322.35 × 7,309.73
  4. Step 4: Simplify right side
    13,277.54x = 133,931,431.47
  5. Step 5: Solve for x
    x = 133,931,431.47/13,277.54
  6. Step 6: Final answer
    x = 10,087.07

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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.