Home / 14,448.30-21,672.33-3,918.30

Finding the Fourth Proportional to 14,448.30, 21,672.33 and 3,918.30

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Solution

The fourth proportional to 14,448.30, 21,672.33 and 3,918.30 is: 5,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.30 : 21,672.33 = 3,918.30 : x
  2. Step 2: Convert to fraction form
    14,448.30/21,672.33 = 3,918.30/x
  3. Step 3: Cross multiply
    14,448.30x = 21,672.33 × 3,918.30
  4. Step 4: Simplify right side
    14,448.30x = 84,918,690.64
  5. Step 5: Solve for x
    x = 84,918,690.64/14,448.30
  6. Step 6: Final answer
    x = 5,877.42

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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.