Home / 13,270.35-18,313.52-7,302.27

Finding the Fourth Proportional to 13,270.35, 18,313.52 and 7,302.27

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Solution

The fourth proportional to 13,270.35, 18,313.52 and 7,302.27 is: 10,077.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.35 : 18,313.52 = 7,302.27 : x
  2. Step 2: Convert to fraction form
    13,270.35/18,313.52 = 7,302.27/x
  3. Step 3: Cross multiply
    13,270.35x = 18,313.52 × 7,302.27
  4. Step 4: Simplify right side
    13,270.35x = 133,730,231.18
  5. Step 5: Solve for x
    x = 133,730,231.18/13,270.35
  6. Step 6: Final answer
    x = 10,077.37

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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.