Home / 11,234.79-16,854.35-4,308.75

Finding the Fourth Proportional to 11,234.79, 16,854.35 and 4,308.75

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Solution

The fourth proportional to 11,234.79, 16,854.35 and 4,308.75 is: 6,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.79 : 16,854.35 = 4,308.75 : x
  2. Step 2: Convert to fraction form
    11,234.79/16,854.35 = 4,308.75/x
  3. Step 3: Cross multiply
    11,234.79x = 16,854.35 × 4,308.75
  4. Step 4: Simplify right side
    11,234.79x = 72,621,159.02
  5. Step 5: Solve for x
    x = 72,621,159.02/11,234.79
  6. Step 6: Final answer
    x = 6,463.95

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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.