Home / 14,305.33-19,743.75-8,340.49

Finding the Fourth Proportional to 14,305.33, 19,743.75 and 8,340.49

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Solution

The fourth proportional to 14,305.33, 19,743.75 and 8,340.49 is: 11,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.33 : 19,743.75 = 8,340.49 : x
  2. Step 2: Convert to fraction form
    14,305.33/19,743.75 = 8,340.49/x
  3. Step 3: Cross multiply
    14,305.33x = 19,743.75 × 8,340.49
  4. Step 4: Simplify right side
    14,305.33x = 164,672,549.44
  5. Step 5: Solve for x
    x = 164,672,549.44/14,305.33
  6. Step 6: Final answer
    x = 11,511.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.