Home / 11,335.04-17,002.20-3,938.80

Finding the Fourth Proportional to 11,335.04, 17,002.20 and 3,938.80

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Solution

The fourth proportional to 11,335.04, 17,002.20 and 3,938.80 is: 5,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.04 : 17,002.20 = 3,938.80 : x
  2. Step 2: Convert to fraction form
    11,335.04/17,002.20 = 3,938.80/x
  3. Step 3: Cross multiply
    11,335.04x = 17,002.20 × 3,938.80
  4. Step 4: Simplify right side
    11,335.04x = 66,968,265.36
  5. Step 5: Solve for x
    x = 66,968,265.36/11,335.04
  6. Step 6: Final answer
    x = 5,908.07

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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.