Home / 18,826.54-28,235.06-7,736.28

Finding the Fourth Proportional to 18,826.54, 28,235.06 and 7,736.28

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Solution

The fourth proportional to 18,826.54, 28,235.06 and 7,736.28 is: 11,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.54 : 28,235.06 = 7,736.28 : x
  2. Step 2: Convert to fraction form
    18,826.54/28,235.06 = 7,736.28/x
  3. Step 3: Cross multiply
    18,826.54x = 28,235.06 × 7,736.28
  4. Step 4: Simplify right side
    18,826.54x = 218,434,329.98
  5. Step 5: Solve for x
    x = 218,434,329.98/18,826.54
  6. Step 6: Final answer
    x = 11,602.47

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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.