Home / 22,748.36-31,392.80-13,190.10

Finding the Fourth Proportional to 22,748.36, 31,392.80 and 13,190.10

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Solution

The fourth proportional to 22,748.36, 31,392.80 and 13,190.10 is: 18,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,748.36 : 31,392.80 = 13,190.10 : x
  2. Step 2: Convert to fraction form
    22,748.36/31,392.80 = 13,190.10/x
  3. Step 3: Cross multiply
    22,748.36x = 31,392.80 × 13,190.10
  4. Step 4: Simplify right side
    22,748.36x = 414,074,171.28
  5. Step 5: Solve for x
    x = 414,074,171.28/22,748.36
  6. Step 6: Final answer
    x = 18,202.37

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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.