Home / 10,631.81-15,948.53-3,236.90

Finding the Fourth Proportional to 10,631.81, 15,948.53 and 3,236.90

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Solution

The fourth proportional to 10,631.81, 15,948.53 and 3,236.90 is: 4,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.81 : 15,948.53 = 3,236.90 : x
  2. Step 2: Convert to fraction form
    10,631.81/15,948.53 = 3,236.90/x
  3. Step 3: Cross multiply
    10,631.81x = 15,948.53 × 3,236.90
  4. Step 4: Simplify right side
    10,631.81x = 51,623,796.76
  5. Step 5: Solve for x
    x = 51,623,796.76/10,631.81
  6. Step 6: Final answer
    x = 4,855.60

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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.