Home / 14,200.36-19,615.62-12,875.56

Finding the Fourth Proportional to 14,200.36, 19,615.62 and 12,875.56

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Solution

The fourth proportional to 14,200.36, 19,615.62 and 12,875.56 is: 17,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,200.36 : 19,615.62 = 12,875.56 : x
  2. Step 2: Convert to fraction form
    14,200.36/19,615.62 = 12,875.56/x
  3. Step 3: Cross multiply
    14,200.36x = 19,615.62 × 12,875.56
  4. Step 4: Simplify right side
    14,200.36x = 252,562,092.25
  5. Step 5: Solve for x
    x = 252,562,092.25/14,200.36
  6. Step 6: Final answer
    x = 17,785.61

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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.