Home / 12,501.72-18,751.13-3,268.44

Finding the Fourth Proportional to 12,501.72, 18,751.13 and 3,268.44

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Solution

The fourth proportional to 12,501.72, 18,751.13 and 3,268.44 is: 4,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.72 : 18,751.13 = 3,268.44 : x
  2. Step 2: Convert to fraction form
    12,501.72/18,751.13 = 3,268.44/x
  3. Step 3: Cross multiply
    12,501.72x = 18,751.13 × 3,268.44
  4. Step 4: Simplify right side
    12,501.72x = 61,286,943.34
  5. Step 5: Solve for x
    x = 61,286,943.34/12,501.72
  6. Step 6: Final answer
    x = 4,902.28

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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.