Home / 9,323.46-13,987.62-3,480.12

Finding the Fourth Proportional to 9,323.46, 13,987.62 and 3,480.12

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Solution

The fourth proportional to 9,323.46, 13,987.62 and 3,480.12 is: 5,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.46 : 13,987.62 = 3,480.12 : x
  2. Step 2: Convert to fraction form
    9,323.46/13,987.62 = 3,480.12/x
  3. Step 3: Cross multiply
    9,323.46x = 13,987.62 × 3,480.12
  4. Step 4: Simplify right side
    9,323.46x = 48,678,596.11
  5. Step 5: Solve for x
    x = 48,678,596.11/9,323.46
  6. Step 6: Final answer
    x = 5,221.09

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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.