Home / 10,201.15-15,301.79-2,806.39

Finding the Fourth Proportional to 10,201.15, 15,301.79 and 2,806.39

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Solution

The fourth proportional to 10,201.15, 15,301.79 and 2,806.39 is: 4,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.15 : 15,301.79 = 2,806.39 : x
  2. Step 2: Convert to fraction form
    10,201.15/15,301.79 = 2,806.39/x
  3. Step 3: Cross multiply
    10,201.15x = 15,301.79 × 2,806.39
  4. Step 4: Simplify right side
    10,201.15x = 42,942,699.90
  5. Step 5: Solve for x
    x = 42,942,699.90/10,201.15
  6. Step 6: Final answer
    x = 4,209.60

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1.5x scale

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.