Home / 11,403.67-17,108.62-5,485.50

Finding the Fourth Proportional to 11,403.67, 17,108.62 and 5,485.50

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Solution

The fourth proportional to 11,403.67, 17,108.62 and 5,485.50 is: 8,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,403.67 : 17,108.62 = 5,485.50 : x
  2. Step 2: Convert to fraction form
    11,403.67/17,108.62 = 5,485.50/x
  3. Step 3: Cross multiply
    11,403.67x = 17,108.62 × 5,485.50
  4. Step 4: Simplify right side
    11,403.67x = 93,849,403.66
  5. Step 5: Solve for x
    x = 93,849,403.66/11,403.67
  6. Step 6: Final answer
    x = 8,229.76

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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.