Home / 19,946.88-29,913.30-10,939.17

Finding the Fourth Proportional to 19,946.88, 29,913.30 and 10,939.17

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Solution

The fourth proportional to 19,946.88, 29,913.30 and 10,939.17 is: 16,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.88 : 29,913.30 = 10,939.17 : x
  2. Step 2: Convert to fraction form
    19,946.88/29,913.30 = 10,939.17/x
  3. Step 3: Cross multiply
    19,946.88x = 29,913.30 × 10,939.17
  4. Step 4: Simplify right side
    19,946.88x = 327,226,673.96
  5. Step 5: Solve for x
    x = 327,226,673.96/19,946.88
  6. Step 6: Final answer
    x = 16,404.91

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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.