Home / 21,599.36-32,400.41-6,808.86

Finding the Fourth Proportional to 21,599.36, 32,400.41 and 6,808.86

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Solution

The fourth proportional to 21,599.36, 32,400.41 and 6,808.86 is: 10,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,599.36 : 32,400.41 = 6,808.86 : x
  2. Step 2: Convert to fraction form
    21,599.36/32,400.41 = 6,808.86/x
  3. Step 3: Cross multiply
    21,599.36x = 32,400.41 × 6,808.86
  4. Step 4: Simplify right side
    21,599.36x = 220,609,821.59
  5. Step 5: Solve for x
    x = 220,609,821.59/21,599.36
  6. Step 6: Final answer
    x = 10,213.72

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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.