Home / 13,918.64-19,202.47-8,883.07

Finding the Fourth Proportional to 13,918.64, 19,202.47 and 8,883.07

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Solution

The fourth proportional to 13,918.64, 19,202.47 and 8,883.07 is: 12,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.64 : 19,202.47 = 8,883.07 : x
  2. Step 2: Convert to fraction form
    13,918.64/19,202.47 = 8,883.07/x
  3. Step 3: Cross multiply
    13,918.64x = 19,202.47 × 8,883.07
  4. Step 4: Simplify right side
    13,918.64x = 170,576,814.97
  5. Step 5: Solve for x
    x = 170,576,814.97/13,918.64
  6. Step 6: Final answer
    x = 12,255.28

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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.