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Finding the Fourth Proportional to 11,597, 16,003.88 and 6,291.80

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Solution

The fourth proportional to 11,597, 16,003.88 and 6,291.80 is: 8,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,597 : 16,003.88 = 6,291.80 : x
  2. Step 2: Convert to fraction form
    11,597/16,003.88 = 6,291.80/x
  3. Step 3: Cross multiply
    11,597x = 16,003.88 × 6,291.80
  4. Step 4: Simplify right side
    11,597x = 100,693,212.18
  5. Step 5: Solve for x
    x = 100,693,212.18/11,597
  6. Step 6: Final answer
    x = 8,682.69

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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.