Home / 19,480.24-29,199.40-8,392.15

Finding the Fourth Proportional to 19,480.24, 29,199.40 and 8,392.15

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Solution

The fourth proportional to 19,480.24, 29,199.40 and 8,392.15 is: 12,579.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.24 : 29,199.40 = 8,392.15 : x
  2. Step 2: Convert to fraction form
    19,480.24/29,199.40 = 8,392.15/x
  3. Step 3: Cross multiply
    19,480.24x = 29,199.40 × 8,392.15
  4. Step 4: Simplify right side
    19,480.24x = 245,045,650.73
  5. Step 5: Solve for x
    x = 245,045,650.73/19,480.24
  6. Step 6: Final answer
    x = 12,579.19

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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.