Home / 9,329.55-13,995.62-3,405.66

Finding the Fourth Proportional to 9,329.55, 13,995.62 and 3,405.66

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Solution

The fourth proportional to 9,329.55, 13,995.62 and 3,405.66 is: 5,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.55 : 13,995.62 = 3,405.66 : x
  2. Step 2: Convert to fraction form
    9,329.55/13,995.62 = 3,405.66/x
  3. Step 3: Cross multiply
    9,329.55x = 13,995.62 × 3,405.66
  4. Step 4: Simplify right side
    9,329.55x = 47,664,306.18
  5. Step 5: Solve for x
    x = 47,664,306.18/9,329.55
  6. Step 6: Final answer
    x = 5,108.96

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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.