Home / 13,966.32-20,949.75-5,199.46

Finding the Fourth Proportional to 13,966.32, 20,949.75 and 5,199.46

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Solution

The fourth proportional to 13,966.32, 20,949.75 and 5,199.46 is: 7,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.32 : 20,949.75 = 5,199.46 : x
  2. Step 2: Convert to fraction form
    13,966.32/20,949.75 = 5,199.46/x
  3. Step 3: Cross multiply
    13,966.32x = 20,949.75 × 5,199.46
  4. Step 4: Simplify right side
    13,966.32x = 108,927,387.14
  5. Step 5: Solve for x
    x = 108,927,387.14/13,966.32
  6. Step 6: Final answer
    x = 7,799.29

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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.