Home / 11,278.86-16,913.43-4,348.50

Finding the Fourth Proportional to 11,278.86, 16,913.43 and 4,348.50

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Solution

The fourth proportional to 11,278.86, 16,913.43 and 4,348.50 is: 6,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.86 : 16,913.43 = 4,348.50 : x
  2. Step 2: Convert to fraction form
    11,278.86/16,913.43 = 4,348.50/x
  3. Step 3: Cross multiply
    11,278.86x = 16,913.43 × 4,348.50
  4. Step 4: Simplify right side
    11,278.86x = 73,548,050.36
  5. Step 5: Solve for x
    x = 73,548,050.36/11,278.86
  6. Step 6: Final answer
    x = 6,520.88

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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.