Home / 12,506.00-18,754.74-4,188.11

Finding the Fourth Proportional to 12,506.00, 18,754.74 and 4,188.11

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Solution

The fourth proportional to 12,506.00, 18,754.74 and 4,188.11 is: 6,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.00 : 18,754.74 = 4,188.11 : x
  2. Step 2: Convert to fraction form
    12,506.00/18,754.74 = 4,188.11/x
  3. Step 3: Cross multiply
    12,506.00x = 18,754.74 × 4,188.11
  4. Step 4: Simplify right side
    12,506.00x = 78,546,820.37
  5. Step 5: Solve for x
    x = 78,546,820.37/12,506.00
  6. Step 6: Final answer
    x = 6,280.73

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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.