Home / 21,790.08-32,685.12-6,207.75

Finding the Fourth Proportional to 21,790.08, 32,685.12 and 6,207.75

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Solution

The fourth proportional to 21,790.08, 32,685.12 and 6,207.75 is: 9,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790.08 : 32,685.12 = 6,207.75 : x
  2. Step 2: Convert to fraction form
    21,790.08/32,685.12 = 6,207.75/x
  3. Step 3: Cross multiply
    21,790.08x = 32,685.12 × 6,207.75
  4. Step 4: Simplify right side
    21,790.08x = 202,901,053.68
  5. Step 5: Solve for x
    x = 202,901,053.68/21,790.08
  6. Step 6: Final answer
    x = 9,311.63

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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.