Home / 10,790.51-16,185.98-2,999.21

Finding the Fourth Proportional to 10,790.51, 16,185.98 and 2,999.21

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Solution

The fourth proportional to 10,790.51, 16,185.98 and 2,999.21 is: 4,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.51 : 16,185.98 = 2,999.21 : x
  2. Step 2: Convert to fraction form
    10,790.51/16,185.98 = 2,999.21/x
  3. Step 3: Cross multiply
    10,790.51x = 16,185.98 × 2,999.21
  4. Step 4: Simplify right side
    10,790.51x = 48,545,138.08
  5. Step 5: Solve for x
    x = 48,545,138.08/10,790.51
  6. Step 6: Final answer
    x = 4,498.87

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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.