Home / 13,972.98-20,907.18-8,330.04

Finding the Fourth Proportional to 13,972.98, 20,907.18 and 8,330.04

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Solution

The fourth proportional to 13,972.98, 20,907.18 and 8,330.04 is: 12,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.98 : 20,907.18 = 8,330.04 : x
  2. Step 2: Convert to fraction form
    13,972.98/20,907.18 = 8,330.04/x
  3. Step 3: Cross multiply
    13,972.98x = 20,907.18 × 8,330.04
  4. Step 4: Simplify right side
    13,972.98x = 174,157,645.69
  5. Step 5: Solve for x
    x = 174,157,645.69/13,972.98
  6. Step 6: Final answer
    x = 12,463.89

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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.