Home / 12,274.08-18,401.04-4,477.92

Finding the Fourth Proportional to 12,274.08, 18,401.04 and 4,477.92

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Solution

The fourth proportional to 12,274.08, 18,401.04 and 4,477.92 is: 6,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.08 : 18,401.04 = 4,477.92 : x
  2. Step 2: Convert to fraction form
    12,274.08/18,401.04 = 4,477.92/x
  3. Step 3: Cross multiply
    12,274.08x = 18,401.04 × 4,477.92
  4. Step 4: Simplify right side
    12,274.08x = 82,398,385.04
  5. Step 5: Solve for x
    x = 82,398,385.04/12,274.08
  6. Step 6: Final answer
    x = 6,713.20

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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.