Home / 9,329.74-13,995.90-3,405.85

Finding the Fourth Proportional to 9,329.74, 13,995.90 and 3,405.85

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Solution

The fourth proportional to 9,329.74, 13,995.90 and 3,405.85 is: 5,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.74 : 13,995.90 = 3,405.85 : x
  2. Step 2: Convert to fraction form
    9,329.74/13,995.90 = 3,405.85/x
  3. Step 3: Cross multiply
    9,329.74x = 13,995.90 × 3,405.85
  4. Step 4: Simplify right side
    9,329.74x = 47,667,901.03
  5. Step 5: Solve for x
    x = 47,667,901.03/9,329.74
  6. Step 6: Final answer
    x = 5,109.24

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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.