Home / 14,427.64-19,918.42-10,997.72

Finding the Fourth Proportional to 14,427.64, 19,918.42 and 10,997.72

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Solution

The fourth proportional to 14,427.64, 19,918.42 and 10,997.72 is: 15,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.64 : 19,918.42 = 10,997.72 : x
  2. Step 2: Convert to fraction form
    14,427.64/19,918.42 = 10,997.72/x
  3. Step 3: Cross multiply
    14,427.64x = 19,918.42 × 10,997.72
  4. Step 4: Simplify right side
    14,427.64x = 219,057,212.55
  5. Step 5: Solve for x
    x = 219,057,212.55/14,427.64
  6. Step 6: Final answer
    x = 15,183.17

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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.