Home / 11,952.87-16,495.16-6,647.69

Finding the Fourth Proportional to 11,952.87, 16,495.16 and 6,647.69

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Solution

The fourth proportional to 11,952.87, 16,495.16 and 6,647.69 is: 9,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,952.87 : 16,495.16 = 6,647.69 : x
  2. Step 2: Convert to fraction form
    11,952.87/16,495.16 = 6,647.69/x
  3. Step 3: Cross multiply
    11,952.87x = 16,495.16 × 6,647.69
  4. Step 4: Simplify right side
    11,952.87x = 109,654,594.47
  5. Step 5: Solve for x
    x = 109,654,594.47/11,952.87
  6. Step 6: Final answer
    x = 9,173.91

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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.