Home / 11,817.66-16,307.48-6,512.50

Finding the Fourth Proportional to 11,817.66, 16,307.48 and 6,512.50

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Solution

The fourth proportional to 11,817.66, 16,307.48 and 6,512.50 is: 8,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.66 : 16,307.48 = 6,512.50 : x
  2. Step 2: Convert to fraction form
    11,817.66/16,307.48 = 6,512.50/x
  3. Step 3: Cross multiply
    11,817.66x = 16,307.48 × 6,512.50
  4. Step 4: Simplify right side
    11,817.66x = 106,202,349.40
  5. Step 5: Solve for x
    x = 106,202,349.40/11,817.66
  6. Step 6: Final answer
    x = 8,986.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.