Home / 11,923.01-16,449.94-6,886.56

Finding the Fourth Proportional to 11,923.01, 16,449.94 and 6,886.56

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Solution

The fourth proportional to 11,923.01, 16,449.94 and 6,886.56 is: 9,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.01 : 16,449.94 = 6,886.56 : x
  2. Step 2: Convert to fraction form
    11,923.01/16,449.94 = 6,886.56/x
  3. Step 3: Cross multiply
    11,923.01x = 16,449.94 × 6,886.56
  4. Step 4: Simplify right side
    11,923.01x = 113,283,498.81
  5. Step 5: Solve for x
    x = 113,283,498.81/11,923.01
  6. Step 6: Final answer
    x = 9,501.25

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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.