Home / 11,745.12-17,617.66-4,814.76

Finding the Fourth Proportional to 11,745.12, 17,617.66 and 4,814.76

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Solution

The fourth proportional to 11,745.12, 17,617.66 and 4,814.76 is: 7,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.12 : 17,617.66 = 4,814.76 : x
  2. Step 2: Convert to fraction form
    11,745.12/17,617.66 = 4,814.76/x
  3. Step 3: Cross multiply
    11,745.12x = 17,617.66 × 4,814.76
  4. Step 4: Simplify right side
    11,745.12x = 84,824,804.66
  5. Step 5: Solve for x
    x = 84,824,804.66/11,745.12
  6. Step 6: Final answer
    x = 7,222.13

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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.