Home / 18,311.06-25,268.57-10,353.45

Finding the Fourth Proportional to 18,311.06, 25,268.57 and 10,353.45

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Solution

The fourth proportional to 18,311.06, 25,268.57 and 10,353.45 is: 14,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.06 : 25,268.57 = 10,353.45 : x
  2. Step 2: Convert to fraction form
    18,311.06/25,268.57 = 10,353.45/x
  3. Step 3: Cross multiply
    18,311.06x = 25,268.57 × 10,353.45
  4. Step 4: Simplify right side
    18,311.06x = 261,616,928.76
  5. Step 5: Solve for x
    x = 261,616,928.76/18,311.06
  6. Step 6: Final answer
    x = 14,287.37

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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.