Home / 19,412.20-29,118.30-6,266.50

Finding the Fourth Proportional to 19,412.20, 29,118.30 and 6,266.50

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Solution

The fourth proportional to 19,412.20, 29,118.30 and 6,266.50 is: 9,399.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.20 : 29,118.30 = 6,266.50 : x
  2. Step 2: Convert to fraction form
    19,412.20/29,118.30 = 6,266.50/x
  3. Step 3: Cross multiply
    19,412.20x = 29,118.30 × 6,266.50
  4. Step 4: Simplify right side
    19,412.20x = 182,469,826.95
  5. Step 5: Solve for x
    x = 182,469,826.95/19,412.20
  6. Step 6: Final answer
    x = 9,399.75

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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.