Home / 17,628.90-24,329.16-11,650.20

Finding the Fourth Proportional to 17,628.90, 24,329.16 and 11,650.20

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Solution

The fourth proportional to 17,628.90, 24,329.16 and 11,650.20 is: 16,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.90 : 24,329.16 = 11,650.20 : x
  2. Step 2: Convert to fraction form
    17,628.90/24,329.16 = 11,650.20/x
  3. Step 3: Cross multiply
    17,628.90x = 24,329.16 × 11,650.20
  4. Step 4: Simplify right side
    17,628.90x = 283,439,579.83
  5. Step 5: Solve for x
    x = 283,439,579.83/17,628.90
  6. Step 6: Final answer
    x = 16,078.12

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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.