Home / 19,118.48-28,676.86-9,758.24

Finding the Fourth Proportional to 19,118.48, 28,676.86 and 9,758.24

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Solution

The fourth proportional to 19,118.48, 28,676.86 and 9,758.24 is: 14,636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.48 : 28,676.86 = 9,758.24 : x
  2. Step 2: Convert to fraction form
    19,118.48/28,676.86 = 9,758.24/x
  3. Step 3: Cross multiply
    19,118.48x = 28,676.86 × 9,758.24
  4. Step 4: Simplify right side
    19,118.48x = 279,835,682.33
  5. Step 5: Solve for x
    x = 279,835,682.33/19,118.48
  6. Step 6: Final answer
    x = 14,636.92

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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.