Home / 9,603.06-13,257.44-6,634.85

Finding the Fourth Proportional to 9,603.06, 13,257.44 and 6,634.85

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Solution

The fourth proportional to 9,603.06, 13,257.44 and 6,634.85 is: 9,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603.06 : 13,257.44 = 6,634.85 : x
  2. Step 2: Convert to fraction form
    9,603.06/13,257.44 = 6,634.85/x
  3. Step 3: Cross multiply
    9,603.06x = 13,257.44 × 6,634.85
  4. Step 4: Simplify right side
    9,603.06x = 87,961,051.20
  5. Step 5: Solve for x
    x = 87,961,051.20/9,603.06
  6. Step 6: Final answer
    x = 9,159.69

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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.