Home / 14,297.60-21,446.40-13,260.80

Finding the Fourth Proportional to 14,297.60, 21,446.40 and 13,260.80

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Solution

The fourth proportional to 14,297.60, 21,446.40 and 13,260.80 is: 19,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.60 : 21,446.40 = 13,260.80 : x
  2. Step 2: Convert to fraction form
    14,297.60/21,446.40 = 13,260.80/x
  3. Step 3: Cross multiply
    14,297.60x = 21,446.40 × 13,260.80
  4. Step 4: Simplify right side
    14,297.60x = 284,396,421.12
  5. Step 5: Solve for x
    x = 284,396,421.12/14,297.60
  6. Step 6: Final answer
    x = 19,891.20

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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.