Home / 9,622.20-14,430.30-3,780.60

Finding the Fourth Proportional to 9,622.20, 14,430.30 and 3,780.60

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Solution

The fourth proportional to 9,622.20, 14,430.30 and 3,780.60 is: 5,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622.20 : 14,430.30 = 3,780.60 : x
  2. Step 2: Convert to fraction form
    9,622.20/14,430.30 = 3,780.60/x
  3. Step 3: Cross multiply
    9,622.20x = 14,430.30 × 3,780.60
  4. Step 4: Simplify right side
    9,622.20x = 54,555,192.18
  5. Step 5: Solve for x
    x = 54,555,192.18/9,622.20
  6. Step 6: Final answer
    x = 5,669.72

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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.