Home / 9,659.44-13,329.39-5,409.76

Finding the Fourth Proportional to 9,659.44, 13,329.39 and 5,409.76

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Solution

The fourth proportional to 9,659.44, 13,329.39 and 5,409.76 is: 7,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659.44 : 13,329.39 = 5,409.76 : x
  2. Step 2: Convert to fraction form
    9,659.44/13,329.39 = 5,409.76/x
  3. Step 3: Cross multiply
    9,659.44x = 13,329.39 × 5,409.76
  4. Step 4: Simplify right side
    9,659.44x = 72,108,800.85
  5. Step 5: Solve for x
    x = 72,108,800.85/9,659.44
  6. Step 6: Final answer
    x = 7,465.11

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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.