Home / 21,418.01-32,131.11-6,624.32

Finding the Fourth Proportional to 21,418.01, 32,131.11 and 6,624.32

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Solution

The fourth proportional to 21,418.01, 32,131.11 and 6,624.32 is: 9,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418.01 : 32,131.11 = 6,624.32 : x
  2. Step 2: Convert to fraction form
    21,418.01/32,131.11 = 6,624.32/x
  3. Step 3: Cross multiply
    21,418.01x = 32,131.11 × 6,624.32
  4. Step 4: Simplify right side
    21,418.01x = 212,846,618.78
  5. Step 5: Solve for x
    x = 212,846,618.78/21,418.01
  6. Step 6: Final answer
    x = 9,937.74

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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.