Home / 11,302.86-16,951.05-3,905.40

Finding the Fourth Proportional to 11,302.86, 16,951.05 and 3,905.40

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Solution

The fourth proportional to 11,302.86, 16,951.05 and 3,905.40 is: 5,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.86 : 16,951.05 = 3,905.40 : x
  2. Step 2: Convert to fraction form
    11,302.86/16,951.05 = 3,905.40/x
  3. Step 3: Cross multiply
    11,302.86x = 16,951.05 × 3,905.40
  4. Step 4: Simplify right side
    11,302.86x = 66,200,630.67
  5. Step 5: Solve for x
    x = 66,200,630.67/11,302.86
  6. Step 6: Final answer
    x = 5,856.98

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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.