Home / 14,268.74-21,402.72-5,505.56

Finding the Fourth Proportional to 14,268.74, 21,402.72 and 5,505.56

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Solution

The fourth proportional to 14,268.74, 21,402.72 and 5,505.56 is: 8,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.74 : 21,402.72 = 5,505.56 : x
  2. Step 2: Convert to fraction form
    14,268.74/21,402.72 = 5,505.56/x
  3. Step 3: Cross multiply
    14,268.74x = 21,402.72 × 5,505.56
  4. Step 4: Simplify right side
    14,268.74x = 117,833,959.12
  5. Step 5: Solve for x
    x = 117,833,959.12/14,268.74
  6. Step 6: Final answer
    x = 8,258.19

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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.