Home / 14,679.30-21,994.65-12,200.70

Finding the Fourth Proportional to 14,679.30, 21,994.65 and 12,200.70

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Solution

The fourth proportional to 14,679.30, 21,994.65 and 12,200.70 is: 18,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.30 : 21,994.65 = 12,200.70 : x
  2. Step 2: Convert to fraction form
    14,679.30/21,994.65 = 12,200.70/x
  3. Step 3: Cross multiply
    14,679.30x = 21,994.65 × 12,200.70
  4. Step 4: Simplify right side
    14,679.30x = 268,350,126.26
  5. Step 5: Solve for x
    x = 268,350,126.26/14,679.30
  6. Step 6: Final answer
    x = 18,280.85

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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.