Home / 21,707.42-32,563.50-6,912.86

Finding the Fourth Proportional to 21,707.42, 32,563.50 and 6,912.86

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Solution

The fourth proportional to 21,707.42, 32,563.50 and 6,912.86 is: 10,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707.42 : 32,563.50 = 6,912.86 : x
  2. Step 2: Convert to fraction form
    21,707.42/32,563.50 = 6,912.86/x
  3. Step 3: Cross multiply
    21,707.42x = 32,563.50 × 6,912.86
  4. Step 4: Simplify right side
    21,707.42x = 225,106,753.79
  5. Step 5: Solve for x
    x = 225,106,753.79/21,707.42
  6. Step 6: Final answer
    x = 10,370.04

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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.