Home / 12,530.61-18,799.20-4,739.49

Finding the Fourth Proportional to 12,530.61, 18,799.20 and 4,739.49

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Solution

The fourth proportional to 12,530.61, 18,799.20 and 4,739.49 is: 7,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.61 : 18,799.20 = 4,739.49 : x
  2. Step 2: Convert to fraction form
    12,530.61/18,799.20 = 4,739.49/x
  3. Step 3: Cross multiply
    12,530.61x = 18,799.20 × 4,739.49
  4. Step 4: Simplify right side
    12,530.61x = 89,098,620.41
  5. Step 5: Solve for x
    x = 89,098,620.41/12,530.61
  6. Step 6: Final answer
    x = 7,110.48

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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.