Home / 11,793.08-16,274.12-6,487.90

Finding the Fourth Proportional to 11,793.08, 16,274.12 and 6,487.90

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Solution

The fourth proportional to 11,793.08, 16,274.12 and 6,487.90 is: 8,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.08 : 16,274.12 = 6,487.90 : x
  2. Step 2: Convert to fraction form
    11,793.08/16,274.12 = 6,487.90/x
  3. Step 3: Cross multiply
    11,793.08x = 16,274.12 × 6,487.90
  4. Step 4: Simplify right side
    11,793.08x = 105,584,863.15
  5. Step 5: Solve for x
    x = 105,584,863.15/11,793.08
  6. Step 6: Final answer
    x = 8,953.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.