Home / 21,442.50-32,162.21-6,651.04

Finding the Fourth Proportional to 21,442.50, 32,162.21 and 6,651.04

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Solution

The fourth proportional to 21,442.50, 32,162.21 and 6,651.04 is: 9,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.50 : 32,162.21 = 6,651.04 : x
  2. Step 2: Convert to fraction form
    21,442.50/32,162.21 = 6,651.04/x
  3. Step 3: Cross multiply
    21,442.50x = 32,162.21 × 6,651.04
  4. Step 4: Simplify right side
    21,442.50x = 213,912,081.42
  5. Step 5: Solve for x
    x = 213,912,081.42/21,442.50
  6. Step 6: Final answer
    x = 9,976.08

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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.