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Finding the Fourth Proportional to 12,620.58, 18,925.02 and 6,039.54

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Solution

The fourth proportional to 12,620.58, 18,925.02 and 6,039.54 is: 9,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620.58 : 18,925.02 = 6,039.54 : x
  2. Step 2: Convert to fraction form
    12,620.58/18,925.02 = 6,039.54/x
  3. Step 3: Cross multiply
    12,620.58x = 18,925.02 × 6,039.54
  4. Step 4: Simplify right side
    12,620.58x = 114,298,415.29
  5. Step 5: Solve for x
    x = 114,298,415.29/12,620.58
  6. Step 6: Final answer
    x = 9,056.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.