Home / 14,239.48-21,338.60-12,994.24

Finding the Fourth Proportional to 14,239.48, 21,338.60 and 12,994.24

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Solution

The fourth proportional to 14,239.48, 21,338.60 and 12,994.24 is: 19,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.48 : 21,338.60 = 12,994.24 : x
  2. Step 2: Convert to fraction form
    14,239.48/21,338.60 = 12,994.24/x
  3. Step 3: Cross multiply
    14,239.48x = 21,338.60 × 12,994.24
  4. Step 4: Simplify right side
    14,239.48x = 277,278,889.66
  5. Step 5: Solve for x
    x = 277,278,889.66/14,239.48
  6. Step 6: Final answer
    x = 19,472.54

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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.