Home / 10,492.32-15,741.78-4,945.44

Finding the Fourth Proportional to 10,492.32, 15,741.78 and 4,945.44

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Solution

The fourth proportional to 10,492.32, 15,741.78 and 4,945.44 is: 7,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492.32 : 15,741.78 = 4,945.44 : x
  2. Step 2: Convert to fraction form
    10,492.32/15,741.78 = 4,945.44/x
  3. Step 3: Cross multiply
    10,492.32x = 15,741.78 × 4,945.44
  4. Step 4: Simplify right side
    10,492.32x = 77,850,028.48
  5. Step 5: Solve for x
    x = 77,850,028.48/10,492.32
  6. Step 6: Final answer
    x = 7,419.72

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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.