Home / 14,150.80-21,226.20-12,854.80

Finding the Fourth Proportional to 14,150.80, 21,226.20 and 12,854.80

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Solution

The fourth proportional to 14,150.80, 21,226.20 and 12,854.80 is: 19,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.80 : 21,226.20 = 12,854.80 : x
  2. Step 2: Convert to fraction form
    14,150.80/21,226.20 = 12,854.80/x
  3. Step 3: Cross multiply
    14,150.80x = 21,226.20 × 12,854.80
  4. Step 4: Simplify right side
    14,150.80x = 272,858,555.76
  5. Step 5: Solve for x
    x = 272,858,555.76/14,150.80
  6. Step 6: Final answer
    x = 19,282.20

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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.