Home / 18,663.37-25,788.24-14,917.45

Finding the Fourth Proportional to 18,663.37, 25,788.24 and 14,917.45

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Solution

The fourth proportional to 18,663.37, 25,788.24 and 14,917.45 is: 20,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.37 : 25,788.24 = 14,917.45 : x
  2. Step 2: Convert to fraction form
    18,663.37/25,788.24 = 14,917.45/x
  3. Step 3: Cross multiply
    18,663.37x = 25,788.24 × 14,917.45
  4. Step 4: Simplify right side
    18,663.37x = 384,694,780.79
  5. Step 5: Solve for x
    x = 384,694,780.79/18,663.37
  6. Step 6: Final answer
    x = 20,612.29

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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.