Home / 8,682.24-13,006.08-7,449.60

Finding the Fourth Proportional to 8,682.24, 13,006.08 and 7,449.60

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Solution

The fourth proportional to 8,682.24, 13,006.08 and 7,449.60 is: 11,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.24 : 13,006.08 = 7,449.60 : x
  2. Step 2: Convert to fraction form
    8,682.24/13,006.08 = 7,449.60/x
  3. Step 3: Cross multiply
    8,682.24x = 13,006.08 × 7,449.60
  4. Step 4: Simplify right side
    8,682.24x = 96,890,093.57
  5. Step 5: Solve for x
    x = 96,890,093.57/8,682.24
  6. Step 6: Final answer
    x = 11,159.57

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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.