Home / 14,375.12-21,562.41-7,842.89

Finding the Fourth Proportional to 14,375.12, 21,562.41 and 7,842.89

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Solution

The fourth proportional to 14,375.12, 21,562.41 and 7,842.89 is: 11,764.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.12 : 21,562.41 = 7,842.89 : x
  2. Step 2: Convert to fraction form
    14,375.12/21,562.41 = 7,842.89/x
  3. Step 3: Cross multiply
    14,375.12x = 21,562.41 × 7,842.89
  4. Step 4: Simplify right side
    14,375.12x = 169,111,609.76
  5. Step 5: Solve for x
    x = 169,111,609.76/14,375.12
  6. Step 6: Final answer
    x = 11,764.19

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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.