Home / 14,231.86-21,442.67-12,846.76

Finding the Fourth Proportional to 14,231.86, 21,442.67 and 12,846.76

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Solution

The fourth proportional to 14,231.86, 21,442.67 and 12,846.76 is: 19,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.86 : 21,442.67 = 12,846.76 : x
  2. Step 2: Convert to fraction form
    14,231.86/21,442.67 = 12,846.76/x
  3. Step 3: Cross multiply
    14,231.86x = 21,442.67 × 12,846.76
  4. Step 4: Simplify right side
    14,231.86x = 275,468,835.25
  5. Step 5: Solve for x
    x = 275,468,835.25/14,231.86
  6. Step 6: Final answer
    x = 19,355.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.