Home / 10,687.44-14,736.63-6,905.61

Finding the Fourth Proportional to 10,687.44, 14,736.63 and 6,905.61

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Solution

The fourth proportional to 10,687.44, 14,736.63 and 6,905.61 is: 9,521.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.44 : 14,736.63 = 6,905.61 : x
  2. Step 2: Convert to fraction form
    10,687.44/14,736.63 = 6,905.61/x
  3. Step 3: Cross multiply
    10,687.44x = 14,736.63 × 6,905.61
  4. Step 4: Simplify right side
    10,687.44x = 101,765,419.49
  5. Step 5: Solve for x
    x = 101,765,419.49/10,687.44
  6. Step 6: Final answer
    x = 9,521.96

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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.