Home / 17,745.06-24,489.18-9,786.90

Finding the Fourth Proportional to 17,745.06, 24,489.18 and 9,786.90

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Solution

The fourth proportional to 17,745.06, 24,489.18 and 9,786.90 is: 13,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.06 : 24,489.18 = 9,786.90 : x
  2. Step 2: Convert to fraction form
    17,745.06/24,489.18 = 9,786.90/x
  3. Step 3: Cross multiply
    17,745.06x = 24,489.18 × 9,786.90
  4. Step 4: Simplify right side
    17,745.06x = 239,673,155.74
  5. Step 5: Solve for x
    x = 239,673,155.74/17,745.06
  6. Step 6: Final answer
    x = 13,506.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.