Home / 11,865.21-16,373.46-6,487.50

Finding the Fourth Proportional to 11,865.21, 16,373.46 and 6,487.50

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Solution

The fourth proportional to 11,865.21, 16,373.46 and 6,487.50 is: 8,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.21 : 16,373.46 = 6,487.50 : x
  2. Step 2: Convert to fraction form
    11,865.21/16,373.46 = 6,487.50/x
  3. Step 3: Cross multiply
    11,865.21x = 16,373.46 × 6,487.50
  4. Step 4: Simplify right side
    11,865.21x = 106,222,821.75
  5. Step 5: Solve for x
    x = 106,222,821.75/11,865.21
  6. Step 6: Final answer
    x = 8,952.46

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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.