Home / 10,487.32-15,733.60-3,091.76

Finding the Fourth Proportional to 10,487.32, 15,733.60 and 3,091.76

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Solution

The fourth proportional to 10,487.32, 15,733.60 and 3,091.76 is: 4,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.32 : 15,733.60 = 3,091.76 : x
  2. Step 2: Convert to fraction form
    10,487.32/15,733.60 = 3,091.76/x
  3. Step 3: Cross multiply
    10,487.32x = 15,733.60 × 3,091.76
  4. Step 4: Simplify right side
    10,487.32x = 48,644,515.14
  5. Step 5: Solve for x
    x = 48,644,515.14/10,487.32
  6. Step 6: Final answer
    x = 4,638.41

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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.