Home / 21,460.88-32,195.64-7,610.96

Finding the Fourth Proportional to 21,460.88, 32,195.64 and 7,610.96

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Solution

The fourth proportional to 21,460.88, 32,195.64 and 7,610.96 is: 11,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.88 : 32,195.64 = 7,610.96 : x
  2. Step 2: Convert to fraction form
    21,460.88/32,195.64 = 7,610.96/x
  3. Step 3: Cross multiply
    21,460.88x = 32,195.64 × 7,610.96
  4. Step 4: Simplify right side
    21,460.88x = 245,039,728.21
  5. Step 5: Solve for x
    x = 245,039,728.21/21,460.88
  6. Step 6: Final answer
    x = 11,417.97

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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.