Home / 13,344.29-20,009.64-4,456.42

Finding the Fourth Proportional to 13,344.29, 20,009.64 and 4,456.42

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Solution

The fourth proportional to 13,344.29, 20,009.64 and 4,456.42 is: 6,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.29 : 20,009.64 = 4,456.42 : x
  2. Step 2: Convert to fraction form
    13,344.29/20,009.64 = 4,456.42/x
  3. Step 3: Cross multiply
    13,344.29x = 20,009.64 × 4,456.42
  4. Step 4: Simplify right side
    13,344.29x = 89,171,387.63
  5. Step 5: Solve for x
    x = 89,171,387.63/13,344.29
  6. Step 6: Final answer
    x = 6,682.36

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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.