Home / 14,261.12-21,379.20-11,482.88

Finding the Fourth Proportional to 14,261.12, 21,379.20 and 11,482.88

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Solution

The fourth proportional to 14,261.12, 21,379.20 and 11,482.88 is: 17,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.12 : 21,379.20 = 11,482.88 : x
  2. Step 2: Convert to fraction form
    14,261.12/21,379.20 = 11,482.88/x
  3. Step 3: Cross multiply
    14,261.12x = 21,379.20 × 11,482.88
  4. Step 4: Simplify right side
    14,261.12x = 245,494,788.10
  5. Step 5: Solve for x
    x = 245,494,788.10/14,261.12
  6. Step 6: Final answer
    x = 17,214.27

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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.