Home / 9,054.54-13,515.23-8,419.98

Finding the Fourth Proportional to 9,054.54, 13,515.23 and 8,419.98

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Solution

The fourth proportional to 9,054.54, 13,515.23 and 8,419.98 is: 12,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,054.54 : 13,515.23 = 8,419.98 : x
  2. Step 2: Convert to fraction form
    9,054.54/13,515.23 = 8,419.98/x
  3. Step 3: Cross multiply
    9,054.54x = 13,515.23 × 8,419.98
  4. Step 4: Simplify right side
    9,054.54x = 113,797,924.20
  5. Step 5: Solve for x
    x = 113,797,924.20/9,054.54
  6. Step 6: Final answer
    x = 12,568.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.