Home / 11,924.45-16,454.52-6,890.28

Finding the Fourth Proportional to 11,924.45, 16,454.52 and 6,890.28

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Solution

The fourth proportional to 11,924.45, 16,454.52 and 6,890.28 is: 9,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.45 : 16,454.52 = 6,890.28 : x
  2. Step 2: Convert to fraction form
    11,924.45/16,454.52 = 6,890.28/x
  3. Step 3: Cross multiply
    11,924.45x = 16,454.52 × 6,890.28
  4. Step 4: Simplify right side
    11,924.45x = 113,376,250.07
  5. Step 5: Solve for x
    x = 113,376,250.07/11,924.45
  6. Step 6: Final answer
    x = 9,507.88

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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.