Home / 12,050.43-16,639.16-8,021.13

Finding the Fourth Proportional to 12,050.43, 16,639.16 and 8,021.13

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Solution

The fourth proportional to 12,050.43, 16,639.16 and 8,021.13 is: 11,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,050.43 : 16,639.16 = 8,021.13 : x
  2. Step 2: Convert to fraction form
    12,050.43/16,639.16 = 8,021.13/x
  3. Step 3: Cross multiply
    12,050.43x = 16,639.16 × 8,021.13
  4. Step 4: Simplify right side
    12,050.43x = 133,464,825.35
  5. Step 5: Solve for x
    x = 133,464,825.35/12,050.43
  6. Step 6: Final answer
    x = 11,075.52

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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.