Home / 14,255.10-21,383.01-6,756.90

Finding the Fourth Proportional to 14,255.10, 21,383.01 and 6,756.90

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Solution

The fourth proportional to 14,255.10, 21,383.01 and 6,756.90 is: 10,135.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.10 : 21,383.01 = 6,756.90 : x
  2. Step 2: Convert to fraction form
    14,255.10/21,383.01 = 6,756.90/x
  3. Step 3: Cross multiply
    14,255.10x = 21,383.01 × 6,756.90
  4. Step 4: Simplify right side
    14,255.10x = 144,482,860.27
  5. Step 5: Solve for x
    x = 144,482,860.27/14,255.10
  6. Step 6: Final answer
    x = 10,135.52

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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.