Home / 14,348.74-21,446.15-12,939.94

Finding the Fourth Proportional to 14,348.74, 21,446.15 and 12,939.94

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Solution

The fourth proportional to 14,348.74, 21,446.15 and 12,939.94 is: 19,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.74 : 21,446.15 = 12,939.94 : x
  2. Step 2: Convert to fraction form
    14,348.74/21,446.15 = 12,939.94/x
  3. Step 3: Cross multiply
    14,348.74x = 21,446.15 × 12,939.94
  4. Step 4: Simplify right side
    14,348.74x = 277,511,894.23
  5. Step 5: Solve for x
    x = 277,511,894.23/14,348.74
  6. Step 6: Final answer
    x = 19,340.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.