Home / 14,451.71-21,647.32-12,698.87

Finding the Fourth Proportional to 14,451.71, 21,647.32 and 12,698.87

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Solution

The fourth proportional to 14,451.71, 21,647.32 and 12,698.87 is: 19,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.71 : 21,647.32 = 12,698.87 : x
  2. Step 2: Convert to fraction form
    14,451.71/21,647.32 = 12,698.87/x
  3. Step 3: Cross multiply
    14,451.71x = 21,647.32 × 12,698.87
  4. Step 4: Simplify right side
    14,451.71x = 274,896,362.54
  5. Step 5: Solve for x
    x = 274,896,362.54/14,451.71
  6. Step 6: Final answer
    x = 19,021.73

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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.