Home / 9,655.56-13,321.41-6,118.26

Finding the Fourth Proportional to 9,655.56, 13,321.41 and 6,118.26

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Solution

The fourth proportional to 9,655.56, 13,321.41 and 6,118.26 is: 8,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.56 : 13,321.41 = 6,118.26 : x
  2. Step 2: Convert to fraction form
    9,655.56/13,321.41 = 6,118.26/x
  3. Step 3: Cross multiply
    9,655.56x = 13,321.41 × 6,118.26
  4. Step 4: Simplify right side
    9,655.56x = 81,503,849.95
  5. Step 5: Solve for x
    x = 81,503,849.95/9,655.56
  6. Step 6: Final answer
    x = 8,441.13

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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.