Home / 10,203.38-15,303.27-2,806.06

Finding the Fourth Proportional to 10,203.38, 15,303.27 and 2,806.06

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Solution

The fourth proportional to 10,203.38, 15,303.27 and 2,806.06 is: 4,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.38 : 15,303.27 = 2,806.06 : x
  2. Step 2: Convert to fraction form
    10,203.38/15,303.27 = 2,806.06/x
  3. Step 3: Cross multiply
    10,203.38x = 15,303.27 × 2,806.06
  4. Step 4: Simplify right side
    10,203.38x = 42,941,817.30
  5. Step 5: Solve for x
    x = 42,941,817.30/10,203.38
  6. Step 6: Final answer
    x = 4,208.59

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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.