Home / 19,773.90-29,652.21-5,919.66

Finding the Fourth Proportional to 19,773.90, 29,652.21 and 5,919.66

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Solution

The fourth proportional to 19,773.90, 29,652.21 and 5,919.66 is: 8,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.90 : 29,652.21 = 5,919.66 : x
  2. Step 2: Convert to fraction form
    19,773.90/29,652.21 = 5,919.66/x
  3. Step 3: Cross multiply
    19,773.90x = 29,652.21 × 5,919.66
  4. Step 4: Simplify right side
    19,773.90x = 175,531,001.45
  5. Step 5: Solve for x
    x = 175,531,001.45/19,773.90
  6. Step 6: Final answer
    x = 8,876.90

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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.