Home / 13,909.82-20,858.38-6,008.60

Finding the Fourth Proportional to 13,909.82, 20,858.38 and 6,008.60

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Solution

The fourth proportional to 13,909.82, 20,858.38 and 6,008.60 is: 9,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.82 : 20,858.38 = 6,008.60 : x
  2. Step 2: Convert to fraction form
    13,909.82/20,858.38 = 6,008.60/x
  3. Step 3: Cross multiply
    13,909.82x = 20,858.38 × 6,008.60
  4. Step 4: Simplify right side
    13,909.82x = 125,329,699.19
  5. Step 5: Solve for x
    x = 125,329,699.19/13,909.82
  6. Step 6: Final answer
    x = 9,010.16

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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.