Home / 19,976.80-29,945.22-10,086.16

Finding the Fourth Proportional to 19,976.80, 29,945.22 and 10,086.16

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Solution

The fourth proportional to 19,976.80, 29,945.22 and 10,086.16 is: 15,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976.80 : 29,945.22 = 10,086.16 : x
  2. Step 2: Convert to fraction form
    19,976.80/29,945.22 = 10,086.16/x
  3. Step 3: Cross multiply
    19,976.80x = 29,945.22 × 10,086.16
  4. Step 4: Simplify right side
    19,976.80x = 302,032,280.16
  5. Step 5: Solve for x
    x = 302,032,280.16/19,976.80
  6. Step 6: Final answer
    x = 15,119.15

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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.