Home / 13,744.78-20,617.16-4,866.62

Finding the Fourth Proportional to 13,744.78, 20,617.16 and 4,866.62

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Solution

The fourth proportional to 13,744.78, 20,617.16 and 4,866.62 is: 7,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.78 : 20,617.16 = 4,866.62 : x
  2. Step 2: Convert to fraction form
    13,744.78/20,617.16 = 4,866.62/x
  3. Step 3: Cross multiply
    13,744.78x = 20,617.16 × 4,866.62
  4. Step 4: Simplify right side
    13,744.78x = 100,335,883.20
  5. Step 5: Solve for x
    x = 100,335,883.20/13,744.78
  6. Step 6: Final answer
    x = 7,299.93

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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.