Home / 8,895.24-12,268.62-7,938.99

Finding the Fourth Proportional to 8,895.24, 12,268.62 and 7,938.99

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Solution

The fourth proportional to 8,895.24, 12,268.62 and 7,938.99 is: 10,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.24 : 12,268.62 = 7,938.99 : x
  2. Step 2: Convert to fraction form
    8,895.24/12,268.62 = 7,938.99/x
  3. Step 3: Cross multiply
    8,895.24x = 12,268.62 × 7,938.99
  4. Step 4: Simplify right side
    8,895.24x = 97,400,451.49
  5. Step 5: Solve for x
    x = 97,400,451.49/8,895.24
  6. Step 6: Final answer
    x = 10,949.73

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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.