Home / 13,389.44-18,473.28-7,796.48

Finding the Fourth Proportional to 13,389.44, 18,473.28 and 7,796.48

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Solution

The fourth proportional to 13,389.44, 18,473.28 and 7,796.48 is: 10,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.44 : 18,473.28 = 7,796.48 : x
  2. Step 2: Convert to fraction form
    13,389.44/18,473.28 = 7,796.48/x
  3. Step 3: Cross multiply
    13,389.44x = 18,473.28 × 7,796.48
  4. Step 4: Simplify right side
    13,389.44x = 144,026,558.05
  5. Step 5: Solve for x
    x = 144,026,558.05/13,389.44
  6. Step 6: Final answer
    x = 10,756.73

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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.