Home / 20,269.36-30,404.08-13,342.24

Finding the Fourth Proportional to 20,269.36, 30,404.08 and 13,342.24

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Solution

The fourth proportional to 20,269.36, 30,404.08 and 13,342.24 is: 20,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.36 : 30,404.08 = 13,342.24 : x
  2. Step 2: Convert to fraction form
    20,269.36/30,404.08 = 13,342.24/x
  3. Step 3: Cross multiply
    20,269.36x = 30,404.08 × 13,342.24
  4. Step 4: Simplify right side
    20,269.36x = 405,658,532.34
  5. Step 5: Solve for x
    x = 405,658,532.34/20,269.36
  6. Step 6: Final answer
    x = 20,013.39

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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.