Home / 14,345.94-21,519.55-4,485.42

Finding the Fourth Proportional to 14,345.94, 21,519.55 and 4,485.42

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Solution

The fourth proportional to 14,345.94, 21,519.55 and 4,485.42 is: 6,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.94 : 21,519.55 = 4,485.42 : x
  2. Step 2: Convert to fraction form
    14,345.94/21,519.55 = 4,485.42/x
  3. Step 3: Cross multiply
    14,345.94x = 21,519.55 × 4,485.42
  4. Step 4: Simplify right side
    14,345.94x = 96,524,219.96
  5. Step 5: Solve for x
    x = 96,524,219.96/14,345.94
  6. Step 6: Final answer
    x = 6,728.33

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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.