Home / 10,492.30-15,734.78-3,094.80

Finding the Fourth Proportional to 10,492.30, 15,734.78 and 3,094.80

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Solution

The fourth proportional to 10,492.30, 15,734.78 and 3,094.80 is: 4,641.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,492.30 : 15,734.78 = 3,094.80 : x
  2. Step 2: Convert to fraction form
    10,492.30/15,734.78 = 3,094.80/x
  3. Step 3: Cross multiply
    10,492.30x = 15,734.78 × 3,094.80
  4. Step 4: Simplify right side
    10,492.30x = 48,695,997.14
  5. Step 5: Solve for x
    x = 48,695,997.14/10,492.30
  6. Step 6: Final answer
    x = 4,641.12

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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.