Home / 12,184.24-18,274.28-4,391.92

Finding the Fourth Proportional to 12,184.24, 18,274.28 and 4,391.92

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Solution

The fourth proportional to 12,184.24, 18,274.28 and 4,391.92 is: 6,587.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.24 : 18,274.28 = 4,391.92 : x
  2. Step 2: Convert to fraction form
    12,184.24/18,274.28 = 4,391.92/x
  3. Step 3: Cross multiply
    12,184.24x = 18,274.28 × 4,391.92
  4. Step 4: Simplify right side
    12,184.24x = 80,259,175.82
  5. Step 5: Solve for x
    x = 80,259,175.82/12,184.24
  6. Step 6: Final answer
    x = 6,587.13

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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.