Home / 11,165.39-16,750.87-4,147.40

Finding the Fourth Proportional to 11,165.39, 16,750.87 and 4,147.40

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Solution

The fourth proportional to 11,165.39, 16,750.87 and 4,147.40 is: 6,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.39 : 16,750.87 = 4,147.40 : x
  2. Step 2: Convert to fraction form
    11,165.39/16,750.87 = 4,147.40/x
  3. Step 3: Cross multiply
    11,165.39x = 16,750.87 × 4,147.40
  4. Step 4: Simplify right side
    11,165.39x = 69,472,558.24
  5. Step 5: Solve for x
    x = 69,472,558.24/11,165.39
  6. Step 6: Final answer
    x = 6,222.13

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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.