Home / 19,936.98-29,879.37-10,070.91

Finding the Fourth Proportional to 19,936.98, 29,879.37 and 10,070.91

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Solution

The fourth proportional to 19,936.98, 29,879.37 and 10,070.91 is: 15,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.98 : 29,879.37 = 10,070.91 : x
  2. Step 2: Convert to fraction form
    19,936.98/29,879.37 = 10,070.91/x
  3. Step 3: Cross multiply
    19,936.98x = 29,879.37 × 10,070.91
  4. Step 4: Simplify right side
    19,936.98x = 300,912,446.13
  5. Step 5: Solve for x
    x = 300,912,446.13/19,936.98
  6. Step 6: Final answer
    x = 15,093.18

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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.