Home / 9,605.06-13,260.20-6,636.85

Finding the Fourth Proportional to 9,605.06, 13,260.20 and 6,636.85

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Solution

The fourth proportional to 9,605.06, 13,260.20 and 6,636.85 is: 9,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.06 : 13,260.20 = 6,636.85 : x
  2. Step 2: Convert to fraction form
    9,605.06/13,260.20 = 6,636.85/x
  3. Step 3: Cross multiply
    9,605.06x = 13,260.20 × 6,636.85
  4. Step 4: Simplify right side
    9,605.06x = 88,005,958.37
  5. Step 5: Solve for x
    x = 88,005,958.37/9,605.06
  6. Step 6: Final answer
    x = 9,162.46

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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.