Home / 9,427.36-14,139.19-8,958.97

Finding the Fourth Proportional to 9,427.36, 14,139.19 and 8,958.97

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Solution

The fourth proportional to 9,427.36, 14,139.19 and 8,958.97 is: 13,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.36 : 14,139.19 = 8,958.97 : x
  2. Step 2: Convert to fraction form
    9,427.36/14,139.19 = 8,958.97/x
  3. Step 3: Cross multiply
    9,427.36x = 14,139.19 × 8,958.97
  4. Step 4: Simplify right side
    9,427.36x = 126,672,579.03
  5. Step 5: Solve for x
    x = 126,672,579.03/9,427.36
  6. Step 6: Final answer
    x = 13,436.70

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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.