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Finding the Fourth Proportional to 18,550, 25,599 and 10,166.32

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Solution

The fourth proportional to 18,550, 25,599 and 10,166.32 is: 14,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550 : 25,599 = 10,166.32 : x
  2. Step 2: Convert to fraction form
    18,550/25,599 = 10,166.32/x
  3. Step 3: Cross multiply
    18,550x = 25,599 × 10,166.32
  4. Step 4: Simplify right side
    18,550x = 260,247,625.68
  5. Step 5: Solve for x
    x = 260,247,625.68/18,550
  6. Step 6: Final answer
    x = 14,029.52

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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.