Home / 11,672.93-16,109.01-6,637.97

Finding the Fourth Proportional to 11,672.93, 16,109.01 and 6,637.97

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Solution

The fourth proportional to 11,672.93, 16,109.01 and 6,637.97 is: 9,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.93 : 16,109.01 = 6,637.97 : x
  2. Step 2: Convert to fraction form
    11,672.93/16,109.01 = 6,637.97/x
  3. Step 3: Cross multiply
    11,672.93x = 16,109.01 × 6,637.97
  4. Step 4: Simplify right side
    11,672.93x = 106,931,044.56
  5. Step 5: Solve for x
    x = 106,931,044.56/11,672.93
  6. Step 6: Final answer
    x = 9,160.60

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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.