Home / 11,887.02-17,828.91-5,311.44

Finding the Fourth Proportional to 11,887.02, 17,828.91 and 5,311.44

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Solution

The fourth proportional to 11,887.02, 17,828.91 and 5,311.44 is: 7,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.02 : 17,828.91 = 5,311.44 : x
  2. Step 2: Convert to fraction form
    11,887.02/17,828.91 = 5,311.44/x
  3. Step 3: Cross multiply
    11,887.02x = 17,828.91 × 5,311.44
  4. Step 4: Simplify right side
    11,887.02x = 94,697,185.73
  5. Step 5: Solve for x
    x = 94,697,185.73/11,887.02
  6. Step 6: Final answer
    x = 7,966.44

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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.