Home / 10,201.76-15,300.80-2,805.26

Finding the Fourth Proportional to 10,201.76, 15,300.80 and 2,805.26

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Solution

The fourth proportional to 10,201.76, 15,300.80 and 2,805.26 is: 4,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.76 : 15,300.80 = 2,805.26 : x
  2. Step 2: Convert to fraction form
    10,201.76/15,300.80 = 2,805.26/x
  3. Step 3: Cross multiply
    10,201.76x = 15,300.80 × 2,805.26
  4. Step 4: Simplify right side
    10,201.76x = 42,922,722.21
  5. Step 5: Solve for x
    x = 42,922,722.21/10,201.76
  6. Step 6: Final answer
    x = 4,207.38

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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.