Home / 13,382.14-18,469.47-10,190.29

Finding the Fourth Proportional to 13,382.14, 18,469.47 and 10,190.29

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Solution

The fourth proportional to 13,382.14, 18,469.47 and 10,190.29 is: 14,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.14 : 18,469.47 = 10,190.29 : x
  2. Step 2: Convert to fraction form
    13,382.14/18,469.47 = 10,190.29/x
  3. Step 3: Cross multiply
    13,382.14x = 18,469.47 × 10,190.29
  4. Step 4: Simplify right side
    13,382.14x = 188,209,255.45
  5. Step 5: Solve for x
    x = 188,209,255.45/13,382.14
  6. Step 6: Final answer
    x = 14,064.21

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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.