Home / 19,620.48-29,414.13-8,518.77

Finding the Fourth Proportional to 19,620.48, 29,414.13 and 8,518.77

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Solution

The fourth proportional to 19,620.48, 29,414.13 and 8,518.77 is: 12,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.48 : 29,414.13 = 8,518.77 : x
  2. Step 2: Convert to fraction form
    19,620.48/29,414.13 = 8,518.77/x
  3. Step 3: Cross multiply
    19,620.48x = 29,414.13 × 8,518.77
  4. Step 4: Simplify right side
    19,620.48x = 250,572,208.22
  5. Step 5: Solve for x
    x = 250,572,208.22/19,620.48
  6. Step 6: Final answer
    x = 12,770.95

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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.