Home / 14,268.03-21,403.87-5,505.45

Finding the Fourth Proportional to 14,268.03, 21,403.87 and 5,505.45

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Solution

The fourth proportional to 14,268.03, 21,403.87 and 5,505.45 is: 8,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.03 : 21,403.87 = 5,505.45 : x
  2. Step 2: Convert to fraction form
    14,268.03/21,403.87 = 5,505.45/x
  3. Step 3: Cross multiply
    14,268.03x = 21,403.87 × 5,505.45
  4. Step 4: Simplify right side
    14,268.03x = 117,837,936.09
  5. Step 5: Solve for x
    x = 117,837,936.09/14,268.03
  6. Step 6: Final answer
    x = 8,258.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.