Home / 17,740.20-24,481.64-9,782.72

Finding the Fourth Proportional to 17,740.20, 24,481.64 and 9,782.72

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Solution

The fourth proportional to 17,740.20, 24,481.64 and 9,782.72 is: 13,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.20 : 24,481.64 = 9,782.72 : x
  2. Step 2: Convert to fraction form
    17,740.20/24,481.64 = 9,782.72/x
  3. Step 3: Cross multiply
    17,740.20x = 24,481.64 × 9,782.72
  4. Step 4: Simplify right side
    17,740.20x = 239,497,029.26
  5. Step 5: Solve for x
    x = 239,497,029.26/17,740.20
  6. Step 6: Final answer
    x = 13,500.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.