Home / 12,269.68-18,401.43-3,504.64

Finding the Fourth Proportional to 12,269.68, 18,401.43 and 3,504.64

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Solution

The fourth proportional to 12,269.68, 18,401.43 and 3,504.64 is: 5,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.68 : 18,401.43 = 3,504.64 : x
  2. Step 2: Convert to fraction form
    12,269.68/18,401.43 = 3,504.64/x
  3. Step 3: Cross multiply
    12,269.68x = 18,401.43 × 3,504.64
  4. Step 4: Simplify right side
    12,269.68x = 64,490,387.64
  5. Step 5: Solve for x
    x = 64,490,387.64/12,269.68
  6. Step 6: Final answer
    x = 5,256.08

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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.