Home / 11,235.78-15,505.28-6,200.05

Finding the Fourth Proportional to 11,235.78, 15,505.28 and 6,200.05

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Solution

The fourth proportional to 11,235.78, 15,505.28 and 6,200.05 is: 8,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.78 : 15,505.28 = 6,200.05 : x
  2. Step 2: Convert to fraction form
    11,235.78/15,505.28 = 6,200.05/x
  3. Step 3: Cross multiply
    11,235.78x = 15,505.28 × 6,200.05
  4. Step 4: Simplify right side
    11,235.78x = 96,133,402.74
  5. Step 5: Solve for x
    x = 96,133,402.74/11,235.78
  6. Step 6: Final answer
    x = 8,556.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.