Home / 17,076.80-25,622.40-9,291.20

Finding the Fourth Proportional to 17,076.80, 25,622.40 and 9,291.20

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Solution

The fourth proportional to 17,076.80, 25,622.40 and 9,291.20 is: 13,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076.80 : 25,622.40 = 9,291.20 : x
  2. Step 2: Convert to fraction form
    17,076.80/25,622.40 = 9,291.20/x
  3. Step 3: Cross multiply
    17,076.80x = 25,622.40 × 9,291.20
  4. Step 4: Simplify right side
    17,076.80x = 238,062,842.88
  5. Step 5: Solve for x
    x = 238,062,842.88/17,076.80
  6. Step 6: Final answer
    x = 13,940.72

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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.