Home / 19,331.10-28,998.90-6,184.80

Finding the Fourth Proportional to 19,331.10, 28,998.90 and 6,184.80

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Solution

The fourth proportional to 19,331.10, 28,998.90 and 6,184.80 is: 9,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.10 : 28,998.90 = 6,184.80 : x
  2. Step 2: Convert to fraction form
    19,331.10/28,998.90 = 6,184.80/x
  3. Step 3: Cross multiply
    19,331.10x = 28,998.90 × 6,184.80
  4. Step 4: Simplify right side
    19,331.10x = 179,352,396.72
  5. Step 5: Solve for x
    x = 179,352,396.72/19,331.10
  6. Step 6: Final answer
    x = 9,277.92

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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.