Home / 19,997.04-29,986.64-10,634.72

Finding the Fourth Proportional to 19,997.04, 29,986.64 and 10,634.72

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Solution

The fourth proportional to 19,997.04, 29,986.64 and 10,634.72 is: 15,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.04 : 29,986.64 = 10,634.72 : x
  2. Step 2: Convert to fraction form
    19,997.04/29,986.64 = 10,634.72/x
  3. Step 3: Cross multiply
    19,997.04x = 29,986.64 × 10,634.72
  4. Step 4: Simplify right side
    19,997.04x = 318,899,520.14
  5. Step 5: Solve for x
    x = 318,899,520.14/19,997.04
  6. Step 6: Final answer
    x = 15,947.34

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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.