Home / 10,489.76-15,735.36-3,563.36

Finding the Fourth Proportional to 10,489.76, 15,735.36 and 3,563.36

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Solution

The fourth proportional to 10,489.76, 15,735.36 and 3,563.36 is: 5,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.76 : 15,735.36 = 3,563.36 : x
  2. Step 2: Convert to fraction form
    10,489.76/15,735.36 = 3,563.36/x
  3. Step 3: Cross multiply
    10,489.76x = 15,735.36 × 3,563.36
  4. Step 4: Simplify right side
    10,489.76x = 56,070,752.41
  5. Step 5: Solve for x
    x = 56,070,752.41/10,489.76
  6. Step 6: Final answer
    x = 5,345.28

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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.