Home / 12,216.52-16,858.76-6,627.52

Finding the Fourth Proportional to 12,216.52, 16,858.76 and 6,627.52

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Solution

The fourth proportional to 12,216.52, 16,858.76 and 6,627.52 is: 9,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.52 : 16,858.76 = 6,627.52 : x
  2. Step 2: Convert to fraction form
    12,216.52/16,858.76 = 6,627.52/x
  3. Step 3: Cross multiply
    12,216.52x = 16,858.76 × 6,627.52
  4. Step 4: Simplify right side
    12,216.52x = 111,731,769.08
  5. Step 5: Solve for x
    x = 111,731,769.08/12,216.52
  6. Step 6: Final answer
    x = 9,145.96

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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.