Home / 19,827.85-29,741.78-6,679.12

Finding the Fourth Proportional to 19,827.85, 29,741.78 and 6,679.12

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Solution

The fourth proportional to 19,827.85, 29,741.78 and 6,679.12 is: 10,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.85 : 29,741.78 = 6,679.12 : x
  2. Step 2: Convert to fraction form
    19,827.85/29,741.78 = 6,679.12/x
  3. Step 3: Cross multiply
    19,827.85x = 29,741.78 × 6,679.12
  4. Step 4: Simplify right side
    19,827.85x = 198,648,917.63
  5. Step 5: Solve for x
    x = 198,648,917.63/19,827.85
  6. Step 6: Final answer
    x = 10,018.68

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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.