Home / 19,829.07-29,741.49-6,679.80

Finding the Fourth Proportional to 19,829.07, 29,741.49 and 6,679.80

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Solution

The fourth proportional to 19,829.07, 29,741.49 and 6,679.80 is: 10,018.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.07 : 29,741.49 = 6,679.80 : x
  2. Step 2: Convert to fraction form
    19,829.07/29,741.49 = 6,679.80/x
  3. Step 3: Cross multiply
    19,829.07x = 29,741.49 × 6,679.80
  4. Step 4: Simplify right side
    19,829.07x = 198,667,204.90
  5. Step 5: Solve for x
    x = 198,667,204.90/19,829.07
  6. Step 6: Final answer
    x = 10,018.99

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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.