Home / 9,459.45-14,190.71-3,220.02

Finding the Fourth Proportional to 9,459.45, 14,190.71 and 3,220.02

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Solution

The fourth proportional to 9,459.45, 14,190.71 and 3,220.02 is: 4,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.45 : 14,190.71 = 3,220.02 : x
  2. Step 2: Convert to fraction form
    9,459.45/14,190.71 = 3,220.02/x
  3. Step 3: Cross multiply
    9,459.45x = 14,190.71 × 3,220.02
  4. Step 4: Simplify right side
    9,459.45x = 45,694,370.01
  5. Step 5: Solve for x
    x = 45,694,370.01/9,459.45
  6. Step 6: Final answer
    x = 4,830.55

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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.