Home / 11,283.91-16,928.57-3,492.72

Finding the Fourth Proportional to 11,283.91, 16,928.57 and 3,492.72

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Solution

The fourth proportional to 11,283.91, 16,928.57 and 3,492.72 is: 5,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.91 : 16,928.57 = 3,492.72 : x
  2. Step 2: Convert to fraction form
    11,283.91/16,928.57 = 3,492.72/x
  3. Step 3: Cross multiply
    11,283.91x = 16,928.57 × 3,492.72
  4. Step 4: Simplify right side
    11,283.91x = 59,126,763.74
  5. Step 5: Solve for x
    x = 59,126,763.74/11,283.91
  6. Step 6: Final answer
    x = 5,239.92

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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.