Home / 15,486-23,241.24-5,628.12

Finding the Fourth Proportional to 15,486, 23,241.24 and 5,628.12

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Solution

The fourth proportional to 15,486, 23,241.24 and 5,628.12 is: 8,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,486 : 23,241.24 = 5,628.12 : x
  2. Step 2: Convert to fraction form
    15,486/23,241.24 = 5,628.12/x
  3. Step 3: Cross multiply
    15,486x = 23,241.24 × 5,628.12
  4. Step 4: Simplify right side
    15,486x = 130,804,487.67
  5. Step 5: Solve for x
    x = 130,804,487.67/15,486
  6. Step 6: Final answer
    x = 8,446.63

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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.