Home / 11,925.51-16,457.97-6,889.94

Finding the Fourth Proportional to 11,925.51, 16,457.97 and 6,889.94

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Solution

The fourth proportional to 11,925.51, 16,457.97 and 6,889.94 is: 9,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.51 : 16,457.97 = 6,889.94 : x
  2. Step 2: Convert to fraction form
    11,925.51/16,457.97 = 6,889.94/x
  3. Step 3: Cross multiply
    11,925.51x = 16,457.97 × 6,889.94
  4. Step 4: Simplify right side
    11,925.51x = 113,394,425.82
  5. Step 5: Solve for x
    x = 113,394,425.82/11,925.51
  6. Step 6: Final answer
    x = 9,508.56

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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.