Home / 14,100.57-19,453.64-8,435.48

Finding the Fourth Proportional to 14,100.57, 19,453.64 and 8,435.48

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Solution

The fourth proportional to 14,100.57, 19,453.64 and 8,435.48 is: 11,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.57 : 19,453.64 = 8,435.48 : x
  2. Step 2: Convert to fraction form
    14,100.57/19,453.64 = 8,435.48/x
  3. Step 3: Cross multiply
    14,100.57x = 19,453.64 × 8,435.48
  4. Step 4: Simplify right side
    14,100.57x = 164,100,860.87
  5. Step 5: Solve for x
    x = 164,100,860.87/14,100.57
  6. Step 6: Final answer
    x = 11,637.89

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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.