Home / 21,512.66-32,267.84-6,719.90

Finding the Fourth Proportional to 21,512.66, 32,267.84 and 6,719.90

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Solution

The fourth proportional to 21,512.66, 32,267.84 and 6,719.90 is: 10,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,512.66 : 32,267.84 = 6,719.90 : x
  2. Step 2: Convert to fraction form
    21,512.66/32,267.84 = 6,719.90/x
  3. Step 3: Cross multiply
    21,512.66x = 32,267.84 × 6,719.90
  4. Step 4: Simplify right side
    21,512.66x = 216,836,658.02
  5. Step 5: Solve for x
    x = 216,836,658.02/21,512.66
  6. Step 6: Final answer
    x = 10,079.49

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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.