Home / 15,563.28-23,344.88-3,876.51

Finding the Fourth Proportional to 15,563.28, 23,344.88 and 3,876.51

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Solution

The fourth proportional to 15,563.28, 23,344.88 and 3,876.51 is: 5,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.28 : 23,344.88 = 3,876.51 : x
  2. Step 2: Convert to fraction form
    15,563.28/23,344.88 = 3,876.51/x
  3. Step 3: Cross multiply
    15,563.28x = 23,344.88 × 3,876.51
  4. Step 4: Simplify right side
    15,563.28x = 90,496,641.39
  5. Step 5: Solve for x
    x = 90,496,641.39/15,563.28
  6. Step 6: Final answer
    x = 5,814.75

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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.