Home / 9,412.58-14,121.30-4,220.48

Finding the Fourth Proportional to 9,412.58, 14,121.30 and 4,220.48

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Solution

The fourth proportional to 9,412.58, 14,121.30 and 4,220.48 is: 6,331.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.58 : 14,121.30 = 4,220.48 : x
  2. Step 2: Convert to fraction form
    9,412.58/14,121.30 = 4,220.48/x
  3. Step 3: Cross multiply
    9,412.58x = 14,121.30 × 4,220.48
  4. Step 4: Simplify right side
    9,412.58x = 59,598,664.22
  5. Step 5: Solve for x
    x = 59,598,664.22/9,412.58
  6. Step 6: Final answer
    x = 6,331.81

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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.