Home / 14,166.10-21,200.55-12,999.70

Finding the Fourth Proportional to 14,166.10, 21,200.55 and 12,999.70

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Solution

The fourth proportional to 14,166.10, 21,200.55 and 12,999.70 is: 19,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.10 : 21,200.55 = 12,999.70 : x
  2. Step 2: Convert to fraction form
    14,166.10/21,200.55 = 12,999.70/x
  3. Step 3: Cross multiply
    14,166.10x = 21,200.55 × 12,999.70
  4. Step 4: Simplify right side
    14,166.10x = 275,600,789.84
  5. Step 5: Solve for x
    x = 275,600,789.84/14,166.10
  6. Step 6: Final answer
    x = 19,454.95

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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.