Home / 11,910.60-16,437.27-6,605.30

Finding the Fourth Proportional to 11,910.60, 16,437.27 and 6,605.30

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Solution

The fourth proportional to 11,910.60, 16,437.27 and 6,605.30 is: 9,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.60 : 16,437.27 = 6,605.30 : x
  2. Step 2: Convert to fraction form
    11,910.60/16,437.27 = 6,605.30/x
  3. Step 3: Cross multiply
    11,910.60x = 16,437.27 × 6,605.30
  4. Step 4: Simplify right side
    11,910.60x = 108,573,017.34
  5. Step 5: Solve for x
    x = 108,573,017.34/11,910.60
  6. Step 6: Final answer
    x = 9,115.66

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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.