Home / 13,351.37-18,424.26-7,382.88

Finding the Fourth Proportional to 13,351.37, 18,424.26 and 7,382.88

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Solution

The fourth proportional to 13,351.37, 18,424.26 and 7,382.88 is: 10,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.37 : 18,424.26 = 7,382.88 : x
  2. Step 2: Convert to fraction form
    13,351.37/18,424.26 = 7,382.88/x
  3. Step 3: Cross multiply
    13,351.37x = 18,424.26 × 7,382.88
  4. Step 4: Simplify right side
    13,351.37x = 136,024,100.67
  5. Step 5: Solve for x
    x = 136,024,100.67/13,351.37
  6. Step 6: Final answer
    x = 10,188.03

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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.