Home / 14,441.40-21,633.30-7,857.72

Finding the Fourth Proportional to 14,441.40, 21,633.30 and 7,857.72

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Solution

The fourth proportional to 14,441.40, 21,633.30 and 7,857.72 is: 11,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,441.40 : 21,633.30 = 7,857.72 : x
  2. Step 2: Convert to fraction form
    14,441.40/21,633.30 = 7,857.72/x
  3. Step 3: Cross multiply
    14,441.40x = 21,633.30 × 7,857.72
  4. Step 4: Simplify right side
    14,441.40x = 169,988,414.08
  5. Step 5: Solve for x
    x = 169,988,414.08/14,441.40
  6. Step 6: Final answer
    x = 11,770.91

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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.