Home / 9,114.84-13,669.62-3,919.56

Finding the Fourth Proportional to 9,114.84, 13,669.62 and 3,919.56

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Solution

The fourth proportional to 9,114.84, 13,669.62 and 3,919.56 is: 5,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.84 : 13,669.62 = 3,919.56 : x
  2. Step 2: Convert to fraction form
    9,114.84/13,669.62 = 3,919.56/x
  3. Step 3: Cross multiply
    9,114.84x = 13,669.62 × 3,919.56
  4. Step 4: Simplify right side
    9,114.84x = 53,578,895.77
  5. Step 5: Solve for x
    x = 53,578,895.77/9,114.84
  6. Step 6: Final answer
    x = 5,878.20

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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.