Home / 10,042.08-15,068.48-5,659.84

Finding the Fourth Proportional to 10,042.08, 15,068.48 and 5,659.84

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Solution

The fourth proportional to 10,042.08, 15,068.48 and 5,659.84 is: 8,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.08 : 15,068.48 = 5,659.84 : x
  2. Step 2: Convert to fraction form
    10,042.08/15,068.48 = 5,659.84/x
  3. Step 3: Cross multiply
    10,042.08x = 15,068.48 × 5,659.84
  4. Step 4: Simplify right side
    10,042.08x = 85,285,185.84
  5. Step 5: Solve for x
    x = 85,285,185.84/10,042.08
  6. Step 6: Final answer
    x = 8,492.78

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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.