Home / 12,506.15-18,756.75-3,622.52

Finding the Fourth Proportional to 12,506.15, 18,756.75 and 3,622.52

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Solution

The fourth proportional to 12,506.15, 18,756.75 and 3,622.52 is: 5,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.15 : 18,756.75 = 3,622.52 : x
  2. Step 2: Convert to fraction form
    12,506.15/18,756.75 = 3,622.52/x
  3. Step 3: Cross multiply
    12,506.15x = 18,756.75 × 3,622.52
  4. Step 4: Simplify right side
    12,506.15x = 67,946,702.01
  5. Step 5: Solve for x
    x = 67,946,702.01/12,506.15
  6. Step 6: Final answer
    x = 5,433.06

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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.