Home / 14,680.30-21,996.15-12,201.70

Finding the Fourth Proportional to 14,680.30, 21,996.15 and 12,201.70

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Solution

The fourth proportional to 14,680.30, 21,996.15 and 12,201.70 is: 18,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.30 : 21,996.15 = 12,201.70 : x
  2. Step 2: Convert to fraction form
    14,680.30/21,996.15 = 12,201.70/x
  3. Step 3: Cross multiply
    14,680.30x = 21,996.15 × 12,201.70
  4. Step 4: Simplify right side
    14,680.30x = 268,390,423.46
  5. Step 5: Solve for x
    x = 268,390,423.46/14,680.30
  6. Step 6: Final answer
    x = 18,282.35

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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.