Home / 10,104.85-13,943.44-5,628.29

Finding the Fourth Proportional to 10,104.85, 13,943.44 and 5,628.29

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Solution

The fourth proportional to 10,104.85, 13,943.44 and 5,628.29 is: 7,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.85 : 13,943.44 = 5,628.29 : x
  2. Step 2: Convert to fraction form
    10,104.85/13,943.44 = 5,628.29/x
  3. Step 3: Cross multiply
    10,104.85x = 13,943.44 × 5,628.29
  4. Step 4: Simplify right side
    10,104.85x = 78,477,661.24
  5. Step 5: Solve for x
    x = 78,477,661.24/10,104.85
  6. Step 6: Final answer
    x = 7,766.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.