Home / 13,270.85-18,313.37-7,302.51

Finding the Fourth Proportional to 13,270.85, 18,313.37 and 7,302.51

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Solution

The fourth proportional to 13,270.85, 18,313.37 and 7,302.51 is: 10,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.85 : 18,313.37 = 7,302.51 : x
  2. Step 2: Convert to fraction form
    13,270.85/18,313.37 = 7,302.51/x
  3. Step 3: Cross multiply
    13,270.85x = 18,313.37 × 7,302.51
  4. Step 4: Simplify right side
    13,270.85x = 133,733,531.05
  5. Step 5: Solve for x
    x = 133,733,531.05/13,270.85
  6. Step 6: Final answer
    x = 10,077.24

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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.