Home / 20,269.08-30,403.62-6,417

Finding the Fourth Proportional to 20,269.08, 30,403.62 and 6,417

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Solution

The fourth proportional to 20,269.08, 30,403.62 and 6,417 is: 9,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.08 : 30,403.62 = 6,417 : x
  2. Step 2: Convert to fraction form
    20,269.08/30,403.62 = 6,417/x
  3. Step 3: Cross multiply
    20,269.08x = 30,403.62 × 6,417
  4. Step 4: Simplify right side
    20,269.08x = 195,100,029.54
  5. Step 5: Solve for x
    x = 195,100,029.54/20,269.08
  6. Step 6: Final answer
    x = 9,625.50

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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.