Home / 10,581.21-15,863.58-4,741.92

Finding the Fourth Proportional to 10,581.21, 15,863.58 and 4,741.92

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Solution

The fourth proportional to 10,581.21, 15,863.58 and 4,741.92 is: 7,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.21 : 15,863.58 = 4,741.92 : x
  2. Step 2: Convert to fraction form
    10,581.21/15,863.58 = 4,741.92/x
  3. Step 3: Cross multiply
    10,581.21x = 15,863.58 × 4,741.92
  4. Step 4: Simplify right side
    10,581.21x = 75,223,827.27
  5. Step 5: Solve for x
    x = 75,223,827.27/10,581.21
  6. Step 6: Final answer
    x = 7,109.19

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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.