Home / 14,329.44-21,456.36-13,453.20

Finding the Fourth Proportional to 14,329.44, 21,456.36 and 13,453.20

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Solution

The fourth proportional to 14,329.44, 21,456.36 and 13,453.20 is: 20,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.44 : 21,456.36 = 13,453.20 : x
  2. Step 2: Convert to fraction form
    14,329.44/21,456.36 = 13,453.20/x
  3. Step 3: Cross multiply
    14,329.44x = 21,456.36 × 13,453.20
  4. Step 4: Simplify right side
    14,329.44x = 288,656,702.35
  5. Step 5: Solve for x
    x = 288,656,702.35/14,329.44
  6. Step 6: Final answer
    x = 20,144.31

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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.