Home / 14,305.35-21,418.41-10,784.70

Finding the Fourth Proportional to 14,305.35, 21,418.41 and 10,784.70

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Solution

The fourth proportional to 14,305.35, 21,418.41 and 10,784.70 is: 16,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.35 : 21,418.41 = 10,784.70 : x
  2. Step 2: Convert to fraction form
    14,305.35/21,418.41 = 10,784.70/x
  3. Step 3: Cross multiply
    14,305.35x = 21,418.41 × 10,784.70
  4. Step 4: Simplify right side
    14,305.35x = 230,991,126.33
  5. Step 5: Solve for x
    x = 230,991,126.33/14,305.35
  6. Step 6: Final answer
    x = 16,147.18

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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.