Home / 14,149.72-19,513.20-10,786.60

Finding the Fourth Proportional to 14,149.72, 19,513.20 and 10,786.60

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Solution

The fourth proportional to 14,149.72, 19,513.20 and 10,786.60 is: 14,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.72 : 19,513.20 = 10,786.60 : x
  2. Step 2: Convert to fraction form
    14,149.72/19,513.20 = 10,786.60/x
  3. Step 3: Cross multiply
    14,149.72x = 19,513.20 × 10,786.60
  4. Step 4: Simplify right side
    14,149.72x = 210,481,083.12
  5. Step 5: Solve for x
    x = 210,481,083.12/14,149.72
  6. Step 6: Final answer
    x = 14,875.28

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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.