Home / 14,639.22-20,193.30-8,974.92

Finding the Fourth Proportional to 14,639.22, 20,193.30 and 8,974.92

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Solution

The fourth proportional to 14,639.22, 20,193.30 and 8,974.92 is: 12,379.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.22 : 20,193.30 = 8,974.92 : x
  2. Step 2: Convert to fraction form
    14,639.22/20,193.30 = 8,974.92/x
  3. Step 3: Cross multiply
    14,639.22x = 20,193.30 × 8,974.92
  4. Step 4: Simplify right side
    14,639.22x = 181,233,252.04
  5. Step 5: Solve for x
    x = 181,233,252.04/14,639.22
  6. Step 6: Final answer
    x = 12,379.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.