Home / 10,236.35-15,354.52-2,840.81

Finding the Fourth Proportional to 10,236.35, 15,354.52 and 2,840.81

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Solution

The fourth proportional to 10,236.35, 15,354.52 and 2,840.81 is: 4,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.35 : 15,354.52 = 2,840.81 : x
  2. Step 2: Convert to fraction form
    10,236.35/15,354.52 = 2,840.81/x
  3. Step 3: Cross multiply
    10,236.35x = 15,354.52 × 2,840.81
  4. Step 4: Simplify right side
    10,236.35x = 43,619,197.19
  5. Step 5: Solve for x
    x = 43,619,197.19/10,236.35
  6. Step 6: Final answer
    x = 4,261.21

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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.