Home / 11,673.12-16,108.56-6,637.89

Finding the Fourth Proportional to 11,673.12, 16,108.56 and 6,637.89

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Solution

The fourth proportional to 11,673.12, 16,108.56 and 6,637.89 is: 9,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.12 : 16,108.56 = 6,637.89 : x
  2. Step 2: Convert to fraction form
    11,673.12/16,108.56 = 6,637.89/x
  3. Step 3: Cross multiply
    11,673.12x = 16,108.56 × 6,637.89
  4. Step 4: Simplify right side
    11,673.12x = 106,926,849.34
  5. Step 5: Solve for x
    x = 106,926,849.34/11,673.12
  6. Step 6: Final answer
    x = 9,160.09

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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.