Home / 9,688.68-13,277.26-8,755.56

Finding the Fourth Proportional to 9,688.68, 13,277.26 and 8,755.56

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Solution

The fourth proportional to 9,688.68, 13,277.26 and 8,755.56 is: 11,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.68 : 13,277.26 = 8,755.56 : x
  2. Step 2: Convert to fraction form
    9,688.68/13,277.26 = 8,755.56/x
  3. Step 3: Cross multiply
    9,688.68x = 13,277.26 × 8,755.56
  4. Step 4: Simplify right side
    9,688.68x = 116,249,846.57
  5. Step 5: Solve for x
    x = 116,249,846.57/9,688.68
  6. Step 6: Final answer
    x = 11,998.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.