Home / 11,500.47-17,236.28-4,918.92

Finding the Fourth Proportional to 11,500.47, 17,236.28 and 4,918.92

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Solution

The fourth proportional to 11,500.47, 17,236.28 and 4,918.92 is: 7,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.47 : 17,236.28 = 4,918.92 : x
  2. Step 2: Convert to fraction form
    11,500.47/17,236.28 = 4,918.92/x
  3. Step 3: Cross multiply
    11,500.47x = 17,236.28 × 4,918.92
  4. Step 4: Simplify right side
    11,500.47x = 84,783,857.82
  5. Step 5: Solve for x
    x = 84,783,857.82/11,500.47
  6. Step 6: Final answer
    x = 7,372.21

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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.