Home / 13,864.50-20,796.75-4,630.50

Finding the Fourth Proportional to 13,864.50, 20,796.75 and 4,630.50

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Solution

The fourth proportional to 13,864.50, 20,796.75 and 4,630.50 is: 6,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.50 : 20,796.75 = 4,630.50 : x
  2. Step 2: Convert to fraction form
    13,864.50/20,796.75 = 4,630.50/x
  3. Step 3: Cross multiply
    13,864.50x = 20,796.75 × 4,630.50
  4. Step 4: Simplify right side
    13,864.50x = 96,299,350.88
  5. Step 5: Solve for x
    x = 96,299,350.88/13,864.50
  6. Step 6: Final answer
    x = 6,945.75

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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.