Home / 10,504.21-15,754.70-4,659.79

Finding the Fourth Proportional to 10,504.21, 15,754.70 and 4,659.79

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Solution

The fourth proportional to 10,504.21, 15,754.70 and 4,659.79 is: 6,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.21 : 15,754.70 = 4,659.79 : x
  2. Step 2: Convert to fraction form
    10,504.21/15,754.70 = 4,659.79/x
  3. Step 3: Cross multiply
    10,504.21x = 15,754.70 × 4,659.79
  4. Step 4: Simplify right side
    10,504.21x = 73,413,570.21
  5. Step 5: Solve for x
    x = 73,413,570.21/10,504.21
  6. Step 6: Final answer
    x = 6,988.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.