Home / 12,311.15-18,464.03-3,544.16

Finding the Fourth Proportional to 12,311.15, 18,464.03 and 3,544.16

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Solution

The fourth proportional to 12,311.15, 18,464.03 and 3,544.16 is: 5,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311.15 : 18,464.03 = 3,544.16 : x
  2. Step 2: Convert to fraction form
    12,311.15/18,464.03 = 3,544.16/x
  3. Step 3: Cross multiply
    12,311.15x = 18,464.03 × 3,544.16
  4. Step 4: Simplify right side
    12,311.15x = 65,439,518.29
  5. Step 5: Solve for x
    x = 65,439,518.29/12,311.15
  6. Step 6: Final answer
    x = 5,315.47

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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.