Home / 11,625.21-17,437.66-2,860.20

Finding the Fourth Proportional to 11,625.21, 17,437.66 and 2,860.20

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Solution

The fourth proportional to 11,625.21, 17,437.66 and 2,860.20 is: 4,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.21 : 17,437.66 = 2,860.20 : x
  2. Step 2: Convert to fraction form
    11,625.21/17,437.66 = 2,860.20/x
  3. Step 3: Cross multiply
    11,625.21x = 17,437.66 × 2,860.20
  4. Step 4: Simplify right side
    11,625.21x = 49,875,195.13
  5. Step 5: Solve for x
    x = 49,875,195.13/11,625.21
  6. Step 6: Final answer
    x = 4,290.26

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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.