Home / 11,415.37-17,125.77-3,624.19

Finding the Fourth Proportional to 11,415.37, 17,125.77 and 3,624.19

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Solution

The fourth proportional to 11,415.37, 17,125.77 and 3,624.19 is: 5,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.37 : 17,125.77 = 3,624.19 : x
  2. Step 2: Convert to fraction form
    11,415.37/17,125.77 = 3,624.19/x
  3. Step 3: Cross multiply
    11,415.37x = 17,125.77 × 3,624.19
  4. Step 4: Simplify right side
    11,415.37x = 62,067,044.38
  5. Step 5: Solve for x
    x = 62,067,044.38/11,415.37
  6. Step 6: Final answer
    x = 5,437.15

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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.