Home / 11,690.61-16,133.45-6,654.74

Finding the Fourth Proportional to 11,690.61, 16,133.45 and 6,654.74

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Solution

The fourth proportional to 11,690.61, 16,133.45 and 6,654.74 is: 9,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.61 : 16,133.45 = 6,654.74 : x
  2. Step 2: Convert to fraction form
    11,690.61/16,133.45 = 6,654.74/x
  3. Step 3: Cross multiply
    11,690.61x = 16,133.45 × 6,654.74
  4. Step 4: Simplify right side
    11,690.61x = 107,363,801.11
  5. Step 5: Solve for x
    x = 107,363,801.11/11,690.61
  6. Step 6: Final answer
    x = 9,183.76

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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.