Home / 11,807.47-17,699.05-5,236.75

Finding the Fourth Proportional to 11,807.47, 17,699.05 and 5,236.75

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Solution

The fourth proportional to 11,807.47, 17,699.05 and 5,236.75 is: 7,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.47 : 17,699.05 = 5,236.75 : x
  2. Step 2: Convert to fraction form
    11,807.47/17,699.05 = 5,236.75/x
  3. Step 3: Cross multiply
    11,807.47x = 17,699.05 × 5,236.75
  4. Step 4: Simplify right side
    11,807.47x = 92,685,500.09
  5. Step 5: Solve for x
    x = 92,685,500.09/11,807.47
  6. Step 6: Final answer
    x = 7,849.73

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1.5x scale

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.