Home / 10,372.92-15,563.98-5,441.40

Finding the Fourth Proportional to 10,372.92, 15,563.98 and 5,441.40

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Solution

The fourth proportional to 10,372.92, 15,563.98 and 5,441.40 is: 8,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.92 : 15,563.98 = 5,441.40 : x
  2. Step 2: Convert to fraction form
    10,372.92/15,563.98 = 5,441.40/x
  3. Step 3: Cross multiply
    10,372.92x = 15,563.98 × 5,441.40
  4. Step 4: Simplify right side
    10,372.92x = 84,689,840.77
  5. Step 5: Solve for x
    x = 84,689,840.77/10,372.92
  6. Step 6: Final answer
    x = 8,164.51

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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.