Home / 10,877.40-16,308.12-3,477.60

Finding the Fourth Proportional to 10,877.40, 16,308.12 and 3,477.60

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Solution

The fourth proportional to 10,877.40, 16,308.12 and 3,477.60 is: 5,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.40 : 16,308.12 = 3,477.60 : x
  2. Step 2: Convert to fraction form
    10,877.40/16,308.12 = 3,477.60/x
  3. Step 3: Cross multiply
    10,877.40x = 16,308.12 × 3,477.60
  4. Step 4: Simplify right side
    10,877.40x = 56,713,167.58
  5. Step 5: Solve for x
    x = 56,713,167.58/10,877.40
  6. Step 6: Final answer
    x = 5,213.85

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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.