Home / 19,780.10-29,671.97-6,633.66

Finding the Fourth Proportional to 19,780.10, 29,671.97 and 6,633.66

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Solution

The fourth proportional to 19,780.10, 29,671.97 and 6,633.66 is: 9,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780.10 : 29,671.97 = 6,633.66 : x
  2. Step 2: Convert to fraction form
    19,780.10/29,671.97 = 6,633.66/x
  3. Step 3: Cross multiply
    19,780.10x = 29,671.97 × 6,633.66
  4. Step 4: Simplify right side
    19,780.10x = 196,833,727.34
  5. Step 5: Solve for x
    x = 196,833,727.34/19,780.10
  6. Step 6: Final answer
    x = 9,951.10

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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.