Home / 11,909.50-17,845.45-4,402.76

Finding the Fourth Proportional to 11,909.50, 17,845.45 and 4,402.76

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Solution

The fourth proportional to 11,909.50, 17,845.45 and 4,402.76 is: 6,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.50 : 17,845.45 = 4,402.76 : x
  2. Step 2: Convert to fraction form
    11,909.50/17,845.45 = 4,402.76/x
  3. Step 3: Cross multiply
    11,909.50x = 17,845.45 × 4,402.76
  4. Step 4: Simplify right side
    11,909.50x = 78,569,133.21
  5. Step 5: Solve for x
    x = 78,569,133.21/11,909.50
  6. Step 6: Final answer
    x = 6,597.18

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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.