Home / 21,930.84-32,898.35-6,135.88

Finding the Fourth Proportional to 21,930.84, 32,898.35 and 6,135.88

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Solution

The fourth proportional to 21,930.84, 32,898.35 and 6,135.88 is: 9,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,930.84 : 32,898.35 = 6,135.88 : x
  2. Step 2: Convert to fraction form
    21,930.84/32,898.35 = 6,135.88/x
  3. Step 3: Cross multiply
    21,930.84x = 32,898.35 × 6,135.88
  4. Step 4: Simplify right side
    21,930.84x = 201,860,327.80
  5. Step 5: Solve for x
    x = 201,860,327.80/21,930.84
  6. Step 6: Final answer
    x = 9,204.40

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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.