Home / 11,805.45-16,291.02-6,766.17

Finding the Fourth Proportional to 11,805.45, 16,291.02 and 6,766.17

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Solution

The fourth proportional to 11,805.45, 16,291.02 and 6,766.17 is: 9,337.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.45 : 16,291.02 = 6,766.17 : x
  2. Step 2: Convert to fraction form
    11,805.45/16,291.02 = 6,766.17/x
  3. Step 3: Cross multiply
    11,805.45x = 16,291.02 × 6,766.17
  4. Step 4: Simplify right side
    11,805.45x = 110,227,810.79
  5. Step 5: Solve for x
    x = 110,227,810.79/11,805.45
  6. Step 6: Final answer
    x = 9,337.03

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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.