Home / 19,877.99-29,816.96-5,086.91

Finding the Fourth Proportional to 19,877.99, 29,816.96 and 5,086.91

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Solution

The fourth proportional to 19,877.99, 29,816.96 and 5,086.91 is: 7,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.99 : 29,816.96 = 5,086.91 : x
  2. Step 2: Convert to fraction form
    19,877.99/29,816.96 = 5,086.91/x
  3. Step 3: Cross multiply
    19,877.99x = 29,816.96 × 5,086.91
  4. Step 4: Simplify right side
    19,877.99x = 151,676,241.10
  5. Step 5: Solve for x
    x = 151,676,241.10/19,877.99
  6. Step 6: Final answer
    x = 7,630.36

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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.