Home / 19,998.06-29,997.10-5,206.94

Finding the Fourth Proportional to 19,998.06, 29,997.10 and 5,206.94

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Solution

The fourth proportional to 19,998.06, 29,997.10 and 5,206.94 is: 7,810.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.06 : 29,997.10 = 5,206.94 : x
  2. Step 2: Convert to fraction form
    19,998.06/29,997.10 = 5,206.94/x
  3. Step 3: Cross multiply
    19,998.06x = 29,997.10 × 5,206.94
  4. Step 4: Simplify right side
    19,998.06x = 156,193,068.01
  5. Step 5: Solve for x
    x = 156,193,068.01/19,998.06
  6. Step 6: Final answer
    x = 7,810.41

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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.