Home / 10,529.31-15,794.81-6,147.21

Finding the Fourth Proportional to 10,529.31, 15,794.81 and 6,147.21

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Solution

The fourth proportional to 10,529.31, 15,794.81 and 6,147.21 is: 9,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.31 : 15,794.81 = 6,147.21 : x
  2. Step 2: Convert to fraction form
    10,529.31/15,794.81 = 6,147.21/x
  3. Step 3: Cross multiply
    10,529.31x = 15,794.81 × 6,147.21
  4. Step 4: Simplify right side
    10,529.31x = 97,093,983.24
  5. Step 5: Solve for x
    x = 97,093,983.24/10,529.31
  6. Step 6: Final answer
    x = 9,221.31

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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.