Home / 10,127.85-13,976.43-5,651.46

Finding the Fourth Proportional to 10,127.85, 13,976.43 and 5,651.46

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Solution

The fourth proportional to 10,127.85, 13,976.43 and 5,651.46 is: 7,799.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.85 : 13,976.43 = 5,651.46 : x
  2. Step 2: Convert to fraction form
    10,127.85/13,976.43 = 5,651.46/x
  3. Step 3: Cross multiply
    10,127.85x = 13,976.43 × 5,651.46
  4. Step 4: Simplify right side
    10,127.85x = 78,987,235.09
  5. Step 5: Solve for x
    x = 78,987,235.09/10,127.85
  6. Step 6: Final answer
    x = 7,799.01

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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.