Home / 11,789.02-17,679.75-11,012.50

Finding the Fourth Proportional to 11,789.02, 17,679.75 and 11,012.50

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Solution

The fourth proportional to 11,789.02, 17,679.75 and 11,012.50 is: 16,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.02 : 17,679.75 = 11,012.50 : x
  2. Step 2: Convert to fraction form
    11,789.02/17,679.75 = 11,012.50/x
  3. Step 3: Cross multiply
    11,789.02x = 17,679.75 × 11,012.50
  4. Step 4: Simplify right side
    11,789.02x = 194,698,246.88
  5. Step 5: Solve for x
    x = 194,698,246.88/11,789.02
  6. Step 6: Final answer
    x = 16,515.22

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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.