Home / 12,528.45-18,791.06-4,736.25

Finding the Fourth Proportional to 12,528.45, 18,791.06 and 4,736.25

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Solution

The fourth proportional to 12,528.45, 18,791.06 and 4,736.25 is: 7,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.45 : 18,791.06 = 4,736.25 : x
  2. Step 2: Convert to fraction form
    12,528.45/18,791.06 = 4,736.25/x
  3. Step 3: Cross multiply
    12,528.45x = 18,791.06 × 4,736.25
  4. Step 4: Simplify right side
    12,528.45x = 88,999,134.24
  5. Step 5: Solve for x
    x = 88,999,134.24/12,528.45
  6. Step 6: Final answer
    x = 7,103.76

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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.