Home / 13,270.30-18,313.77-7,302.11

Finding the Fourth Proportional to 13,270.30, 18,313.77 and 7,302.11

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Solution

The fourth proportional to 13,270.30, 18,313.77 and 7,302.11 is: 10,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.30 : 18,313.77 = 7,302.11 : x
  2. Step 2: Convert to fraction form
    13,270.30/18,313.77 = 7,302.11/x
  3. Step 3: Cross multiply
    13,270.30x = 18,313.77 × 7,302.11
  4. Step 4: Simplify right side
    13,270.30x = 133,729,163.05
  5. Step 5: Solve for x
    x = 133,729,163.05/13,270.30
  6. Step 6: Final answer
    x = 10,077.33

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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.