Home / 12,495.04-18,745.70-3,729.92

Finding the Fourth Proportional to 12,495.04, 18,745.70 and 3,729.92

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Solution

The fourth proportional to 12,495.04, 18,745.70 and 3,729.92 is: 5,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.04 : 18,745.70 = 3,729.92 : x
  2. Step 2: Convert to fraction form
    12,495.04/18,745.70 = 3,729.92/x
  3. Step 3: Cross multiply
    12,495.04x = 18,745.70 × 3,729.92
  4. Step 4: Simplify right side
    12,495.04x = 69,919,961.34
  5. Step 5: Solve for x
    x = 69,919,961.34/12,495.04
  6. Step 6: Final answer
    x = 5,595.82

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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.