Home / 13,487.43-20,241.74-9,356.51

Finding the Fourth Proportional to 13,487.43, 20,241.74 and 9,356.51

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Solution

The fourth proportional to 13,487.43, 20,241.74 and 9,356.51 is: 14,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.43 : 20,241.74 = 9,356.51 : x
  2. Step 2: Convert to fraction form
    13,487.43/20,241.74 = 9,356.51/x
  3. Step 3: Cross multiply
    13,487.43x = 20,241.74 × 9,356.51
  4. Step 4: Simplify right side
    13,487.43x = 189,392,042.73
  5. Step 5: Solve for x
    x = 189,392,042.73/13,487.43
  6. Step 6: Final answer
    x = 14,042.11

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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.