Home / 13,375.24-20,062.77-10,456

Finding the Fourth Proportional to 13,375.24, 20,062.77 and 10,456

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Solution

The fourth proportional to 13,375.24, 20,062.77 and 10,456 is: 15,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.24 : 20,062.77 = 10,456 : x
  2. Step 2: Convert to fraction form
    13,375.24/20,062.77 = 10,456/x
  3. Step 3: Cross multiply
    13,375.24x = 20,062.77 × 10,456
  4. Step 4: Simplify right side
    13,375.24x = 209,776,323.12
  5. Step 5: Solve for x
    x = 209,776,323.12/13,375.24
  6. Step 6: Final answer
    x = 15,683.93

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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.