Home / 19,997.04-29,985.49-6,665.31

Finding the Fourth Proportional to 19,997.04, 29,985.49 and 6,665.31

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Solution

The fourth proportional to 19,997.04, 29,985.49 and 6,665.31 is: 9,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.04 : 29,985.49 = 6,665.31 : x
  2. Step 2: Convert to fraction form
    19,997.04/29,985.49 = 6,665.31/x
  3. Step 3: Cross multiply
    19,997.04x = 29,985.49 × 6,665.31
  4. Step 4: Simplify right side
    19,997.04x = 199,862,594.68
  5. Step 5: Solve for x
    x = 199,862,594.68/19,997.04
  6. Step 6: Final answer
    x = 9,994.61

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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.