Home / 17,739.58-24,479.64-9,780.44

Finding the Fourth Proportional to 17,739.58, 24,479.64 and 9,780.44

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Solution

The fourth proportional to 17,739.58, 24,479.64 and 9,780.44 is: 13,496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.58 : 24,479.64 = 9,780.44 : x
  2. Step 2: Convert to fraction form
    17,739.58/24,479.64 = 9,780.44/x
  3. Step 3: Cross multiply
    17,739.58x = 24,479.64 × 9,780.44
  4. Step 4: Simplify right side
    17,739.58x = 239,421,650.24
  5. Step 5: Solve for x
    x = 239,421,650.24/17,739.58
  6. Step 6: Final answer
    x = 13,496.47

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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.