Home / 12,635.41-18,939.78-4,732.77

Finding the Fourth Proportional to 12,635.41, 18,939.78 and 4,732.77

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Solution

The fourth proportional to 12,635.41, 18,939.78 and 4,732.77 is: 7,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.41 : 18,939.78 = 4,732.77 : x
  2. Step 2: Convert to fraction form
    12,635.41/18,939.78 = 4,732.77/x
  3. Step 3: Cross multiply
    12,635.41x = 18,939.78 × 4,732.77
  4. Step 4: Simplify right side
    12,635.41x = 89,637,539.72
  5. Step 5: Solve for x
    x = 89,637,539.72/12,635.41
  6. Step 6: Final answer
    x = 7,094.16

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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.