Home / 14,690.80-20,273.19-7,976.29

Finding the Fourth Proportional to 14,690.80, 20,273.19 and 7,976.29

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Solution

The fourth proportional to 14,690.80, 20,273.19 and 7,976.29 is: 11,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.80 : 20,273.19 = 7,976.29 : x
  2. Step 2: Convert to fraction form
    14,690.80/20,273.19 = 7,976.29/x
  3. Step 3: Cross multiply
    14,690.80x = 20,273.19 × 7,976.29
  4. Step 4: Simplify right side
    14,690.80x = 161,704,802.78
  5. Step 5: Solve for x
    x = 161,704,802.78/14,690.80
  6. Step 6: Final answer
    x = 11,007.22

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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.