Home / 13,966.48-20,949.36-5,646.28

Finding the Fourth Proportional to 13,966.48, 20,949.36 and 5,646.28

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Solution

The fourth proportional to 13,966.48, 20,949.36 and 5,646.28 is: 8,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.48 : 20,949.36 = 5,646.28 : x
  2. Step 2: Convert to fraction form
    13,966.48/20,949.36 = 5,646.28/x
  3. Step 3: Cross multiply
    13,966.48x = 20,949.36 × 5,646.28
  4. Step 4: Simplify right side
    13,966.48x = 118,285,952.38
  5. Step 5: Solve for x
    x = 118,285,952.38/13,966.48
  6. Step 6: Final answer
    x = 8,469.27

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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.