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Finding the Fourth Proportional to 14,047.74, 21,074.74 and 5,282.73

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Solution

The fourth proportional to 14,047.74, 21,074.74 and 5,282.73 is: 7,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.74 : 21,074.74 = 5,282.73 : x
  2. Step 2: Convert to fraction form
    14,047.74/21,074.74 = 5,282.73/x
  3. Step 3: Cross multiply
    14,047.74x = 21,074.74 × 5,282.73
  4. Step 4: Simplify right side
    14,047.74x = 111,332,055.87
  5. Step 5: Solve for x
    x = 111,332,055.87/14,047.74
  6. Step 6: Final answer
    x = 7,925.27

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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.