Home / 14,676.30-21,990.15-12,197.70

Finding the Fourth Proportional to 14,676.30, 21,990.15 and 12,197.70

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Solution

The fourth proportional to 14,676.30, 21,990.15 and 12,197.70 is: 18,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.30 : 21,990.15 = 12,197.70 : x
  2. Step 2: Convert to fraction form
    14,676.30/21,990.15 = 12,197.70/x
  3. Step 3: Cross multiply
    14,676.30x = 21,990.15 × 12,197.70
  4. Step 4: Simplify right side
    14,676.30x = 268,229,252.66
  5. Step 5: Solve for x
    x = 268,229,252.66/14,676.30
  6. Step 6: Final answer
    x = 18,276.35

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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.