Home / 11,707.41-16,154.61-6,670.66

Finding the Fourth Proportional to 11,707.41, 16,154.61 and 6,670.66

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Solution

The fourth proportional to 11,707.41, 16,154.61 and 6,670.66 is: 9,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.41 : 16,154.61 = 6,670.66 : x
  2. Step 2: Convert to fraction form
    11,707.41/16,154.61 = 6,670.66/x
  3. Step 3: Cross multiply
    11,707.41x = 16,154.61 × 6,670.66
  4. Step 4: Simplify right side
    11,707.41x = 107,761,910.74
  5. Step 5: Solve for x
    x = 107,761,910.74/11,707.41
  6. Step 6: Final answer
    x = 9,204.59

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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.