Home / 10,272.48-15,409.68-4,727.36

Finding the Fourth Proportional to 10,272.48, 15,409.68 and 4,727.36

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Solution

The fourth proportional to 10,272.48, 15,409.68 and 4,727.36 is: 7,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.48 : 15,409.68 = 4,727.36 : x
  2. Step 2: Convert to fraction form
    10,272.48/15,409.68 = 4,727.36/x
  3. Step 3: Cross multiply
    10,272.48x = 15,409.68 × 4,727.36
  4. Step 4: Simplify right side
    10,272.48x = 72,847,104.84
  5. Step 5: Solve for x
    x = 72,847,104.84/10,272.48
  6. Step 6: Final answer
    x = 7,091.48

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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.