Home / 13,943.68-20,918.72-4,584.48

Finding the Fourth Proportional to 13,943.68, 20,918.72 and 4,584.48

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Solution

The fourth proportional to 13,943.68, 20,918.72 and 4,584.48 is: 6,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.68 : 20,918.72 = 4,584.48 : x
  2. Step 2: Convert to fraction form
    13,943.68/20,918.72 = 4,584.48/x
  3. Step 3: Cross multiply
    13,943.68x = 20,918.72 × 4,584.48
  4. Step 4: Simplify right side
    13,943.68x = 95,901,453.47
  5. Step 5: Solve for x
    x = 95,901,453.47/13,943.68
  6. Step 6: Final answer
    x = 6,877.77

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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.