Home / 14,123.36-21,151.62-12,264.37

Finding the Fourth Proportional to 14,123.36, 21,151.62 and 12,264.37

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Solution

The fourth proportional to 14,123.36, 21,151.62 and 12,264.37 is: 18,367.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.36 : 21,151.62 = 12,264.37 : x
  2. Step 2: Convert to fraction form
    14,123.36/21,151.62 = 12,264.37/x
  3. Step 3: Cross multiply
    14,123.36x = 21,151.62 × 12,264.37
  4. Step 4: Simplify right side
    14,123.36x = 259,411,293.78
  5. Step 5: Solve for x
    x = 259,411,293.78/14,123.36
  6. Step 6: Final answer
    x = 18,367.53

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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.