Home / 9,421.56-14,122.50-3,179.42

Finding the Fourth Proportional to 9,421.56, 14,122.50 and 3,179.42

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Solution

The fourth proportional to 9,421.56, 14,122.50 and 3,179.42 is: 4,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.56 : 14,122.50 = 3,179.42 : x
  2. Step 2: Convert to fraction form
    9,421.56/14,122.50 = 3,179.42/x
  3. Step 3: Cross multiply
    9,421.56x = 14,122.50 × 3,179.42
  4. Step 4: Simplify right side
    9,421.56x = 44,901,341.30
  5. Step 5: Solve for x
    x = 44,901,341.30/9,421.56
  6. Step 6: Final answer
    x = 4,765.81

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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.