Home / 11,615.02-17,418.09-3,715.85

Finding the Fourth Proportional to 11,615.02, 17,418.09 and 3,715.85

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Solution

The fourth proportional to 11,615.02, 17,418.09 and 3,715.85 is: 5,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.02 : 17,418.09 = 3,715.85 : x
  2. Step 2: Convert to fraction form
    11,615.02/17,418.09 = 3,715.85/x
  3. Step 3: Cross multiply
    11,615.02x = 17,418.09 × 3,715.85
  4. Step 4: Simplify right side
    11,615.02x = 64,722,997.32
  5. Step 5: Solve for x
    x = 64,722,997.32/11,615.02
  6. Step 6: Final answer
    x = 5,572.35

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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.