Home / 9,220.80-13,824.48-6,289.92

Finding the Fourth Proportional to 9,220.80, 13,824.48 and 6,289.92

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Solution

The fourth proportional to 9,220.80, 13,824.48 and 6,289.92 is: 9,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.80 : 13,824.48 = 6,289.92 : x
  2. Step 2: Convert to fraction form
    9,220.80/13,824.48 = 6,289.92/x
  3. Step 3: Cross multiply
    9,220.80x = 13,824.48 × 6,289.92
  4. Step 4: Simplify right side
    9,220.80x = 86,954,873.24
  5. Step 5: Solve for x
    x = 86,954,873.24/9,220.80
  6. Step 6: Final answer
    x = 9,430.30

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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.