Home / 13,270.12-18,313.20-7,302.22

Finding the Fourth Proportional to 13,270.12, 18,313.20 and 7,302.22

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Solution

The fourth proportional to 13,270.12, 18,313.20 and 7,302.22 is: 10,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.12 : 18,313.20 = 7,302.22 : x
  2. Step 2: Convert to fraction form
    13,270.12/18,313.20 = 7,302.22/x
  3. Step 3: Cross multiply
    13,270.12x = 18,313.20 × 7,302.22
  4. Step 4: Simplify right side
    13,270.12x = 133,727,015.30
  5. Step 5: Solve for x
    x = 133,727,015.30/13,270.12
  6. Step 6: Final answer
    x = 10,077.30

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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.