Home / 9,114.29-13,671.73-2,874.36

Finding the Fourth Proportional to 9,114.29, 13,671.73 and 2,874.36

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Solution

The fourth proportional to 9,114.29, 13,671.73 and 2,874.36 is: 4,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.29 : 13,671.73 = 2,874.36 : x
  2. Step 2: Convert to fraction form
    9,114.29/13,671.73 = 2,874.36/x
  3. Step 3: Cross multiply
    9,114.29x = 13,671.73 × 2,874.36
  4. Step 4: Simplify right side
    9,114.29x = 39,297,482.17
  5. Step 5: Solve for x
    x = 39,297,482.17/9,114.29
  6. Step 6: Final answer
    x = 4,311.63

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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.