Home / 10,212-15,318.96-3,637.92

Finding the Fourth Proportional to 10,212, 15,318.96 and 3,637.92

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Solution

The fourth proportional to 10,212, 15,318.96 and 3,637.92 is: 5,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212 : 15,318.96 = 3,637.92 : x
  2. Step 2: Convert to fraction form
    10,212/15,318.96 = 3,637.92/x
  3. Step 3: Cross multiply
    10,212x = 15,318.96 × 3,637.92
  4. Step 4: Simplify right side
    10,212x = 55,729,150.96
  5. Step 5: Solve for x
    x = 55,729,150.96/10,212
  6. Step 6: Final answer
    x = 5,457.22

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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.