Home / 21,965.12-32,953.12-6,382.88

Finding the Fourth Proportional to 21,965.12, 32,953.12 and 6,382.88

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Solution

The fourth proportional to 21,965.12, 32,953.12 and 6,382.88 is: 9,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965.12 : 32,953.12 = 6,382.88 : x
  2. Step 2: Convert to fraction form
    21,965.12/32,953.12 = 6,382.88/x
  3. Step 3: Cross multiply
    21,965.12x = 32,953.12 × 6,382.88
  4. Step 4: Simplify right side
    21,965.12x = 210,335,810.59
  5. Step 5: Solve for x
    x = 210,335,810.59/21,965.12
  6. Step 6: Final answer
    x = 9,575.90

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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.